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本文重点词汇
关键词汇
reproduction
reproduction
繁殖
美/ˌriː.prəˈdʌkʃn/
英/ˌriː.prəˈdʌkʃn/
n.
reproduction
例句:
1. Animals reproduce to continue their species.
动物通过繁殖来延续物种。
2. The human reproductive process includes fertilization and pregnancy.
人类的繁殖过程包括受精和妊娠。
3. Reproduction is essential for survival in the natural world.
在自然界中，繁殖是生存的关键。
4. Different species have different methods of reproduction.
不同种类的动物有不同的繁殖方式。
5. Reproductive behaviors are important for the balance of ecosystems.
繁殖行为对生态系统的平衡很重要。
mammal
mammal
哺乳动物
美/ˈmæm.əl/
英/ˈmæm.əl/
n.
mammal
例句:
1. Humans are a type of mammal.
人类是哺乳动物的一种。
2. Whales are mammals.
鲸鱼属于哺乳动物。
3. Mammal offspring usually drink milk from their mothers.
哺乳动物的幼崽通常会喝母乳。
4. Cats and dogs are both mammals.
猫和狗都是哺乳动物。
5. Mammals maintain a constant body temperature.
哺乳动物的体温保持恒定。
egg
egg
卵子
美/ɛɡ/
英/ɛɡ/
n.
egg
例句:
1. Human eggs are formed in the ovaries.
人类的卵子在卵巢中形成。
2. Birds reproduce by laying eggs.
鸟类通过产卵繁殖。
3. An egg combines with a sperm to form a zygote.
卵子与精子结合形成受精卵。
4. An egg that is fertilized outside the body is called in vitro fertilization.
卵子在体外受精时称为体外受精。
5. Some animals' eggs can be stored for a long time.
有些动物的卵子可以储存较长时间。
sperm
sperm
精子
美/spɜːrm/
英/spɜːm/
n.
sperm
例句:
1. Sperm combines with an egg to form a zygote.
精子与卵子结合形成受精卵。
2. Males release sperm through ejaculation.
男性通过射精释放精子。
3. Sperm can survive for a period of time in the female reproductive system.
精子在女性体内存活一段时间。
4. The quantity and quality of sperm affect fertility.
精子的数量和质量影响生育能力。
5. Sperm plays a key role in in vitro fertilization.
精子在体外受精中起关键作用。
embryo
embryo
胚胎
美/ˈɛm.bri.oʊ/
英/ˈembriəʊ/
n.
embryo
例句:
1. The embryo develops into a fetus in the womb.
胚胎在子宫内发育成胎儿。
2. Embryo development requires nutrients.
胚胎的发育需要营养。
3. Embryos can be studied through in vitro culture.
胚胎可以通过体外培养进行研究。
4. The embryo undergoes many changes during development.
胚胎在发育过程中会发生许多变化。
5. The health of the embryo affects growth after birth.
胚胎的健康状况影响出生后的成长。
hatch
hatch
孵化
美/hætʃ/
英/hætʃ/
v.
hatch
例句:
1. An egg hatches into a chick.
鸡蛋孵化后变成小鸡。
2. Hatching requires certain temperature and humidity.
孵化需要一定的温度和湿度。
3. Eggs should be carefully protected during hatching.
孵化期间要小心保护卵。
4. Some animals' eggs need to hatch to develop.
某些动物的卵需要孵化才能发育。
5. The success rate of hatching depends on environmental conditions.
孵化的成功率取决于环境条件。
cub
cub
幼崽
美/kʌb/
英/kʌb/
n.
cub
例句:
1. Cubs are the young of a lion pride.
小狮子是狮群的幼崽。
2. Cubs require their mother's care.
幼崽需要母亲的照顾。
3. Cubs become independent as they grow.
幼崽在成长过程中会逐渐独立。
4. The survival of cubs depends on parental protection.
幼崽的生存取决于父母的保护。
5. Cubs are usually fragile.
幼崽通常比较脆弱。
nurturing
nurturing
育儿
美/ˈnɜːr.tʃər.ɪŋ/
英/ˈnɜː(r) tʃə rɪŋ/
n.
nurturing
例句:
1. Parents' nurturing style affects a child's development.
父母的育儿方式影响孩子的成长。
2. Nurturing requires patience and love.
育儿需要耐心和爱心。
3. A good nurturing environment helps children grow healthily.
良好的育儿环境有助于儿童健康成长。
4. Nurturing is not just about providing food.
育儿不仅仅是提供食物。
5. Nurturing affects a child's future.
育儿关系到孩子的未来。
independent
independent
独立
美/ˌɪn.dɪˈpɛndənt/
英/ˌɪn.dɪˈpendənt/
adj.
independent
例句:
1. Children become independent as they grow up.
孩子长大后会变得独立。
2. Independent people are more likely to succeed.
独立的人更有可能取得成功。
3. Independent thinking is an important skill.
独立思考是重要的能力。
4. Living independently requires certain skills.
独立生活需要一定的技能。
5. Independent people are usually more confident.
独立的人通常更自信。
hatching
hatching
孵化
美/ˈhætʃ.ɪŋ/
英/ˈhætʃɪŋ/
n.
hatching
例句:
1. Hatching requires the right temperature.
孵化需要适当的温度。
2. Eggs should be carefully protected during hatching.
孵化期间要小心保护卵。
3. The success of hatching depends on environmental conditions.
孵化成功与否取决于环境条件。
4. The hatching period is usually several weeks.
孵化期通常是几周。
5. After hatching, the young begin to explore their surroundings.
孵化后，幼崽会开始探索周围环境。
习惯用语
scooch off the page
scooch off the page
从页面上移开
表示暂时离开画面
描述视频中老师暂时离开镜头的动作
zoom in
zoom in
放大
表示靠近观察
描述视频中老师放大画面以便看清细节
helpless creatures
helpless creatures
无助的生物
形容刚出生的动物需要照顾
描述猴子和猿类幼崽需要长期照顾
take care of
take care of
照顾
表示对幼崽进行照料
描述父母对幼崽的照顾行为
family tie
family tie
家庭纽带
表示家庭成员之间的联系
描述大象家族中的紧密关系
live with
live with
和...一起生活
表示与父母共同生活
描述人类与父母同住的现象
相关句型
Reproduction is the process by which organisms produce offspring.
Reproduction is the process by which organisms produce offspring.
繁殖是生物产生后代的过程。
Mammals give birth to live young instead of laying eggs.
Mammals give birth to live young instead of laying eggs.
哺乳动物通过产生活体幼崽而不是产卵。
An egg is a reproductive cell that can develop into a new organism.
An egg is a reproductive cell that can develop into a new organism.
卵是一种可以发育成新个体的生殖细胞。
Sperm is the male reproductive cell that fertilizes the egg.
Sperm is the male reproductive cell that fertilizes the egg.
精子是使卵子受精的雄性生殖细胞。
An embryo is the early stage of development after fertilization.
An embryo is the early stage of development after fertilization.
胚胎是受精后的早期发育阶段。
