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本文重点词汇
关键词汇
mammal
mammal
哺乳动物
美/ˈmæməl/
英/ˈmæməl/
n.
mammal
例句:
1. Humans are mammals.
人类是哺乳动物。
2. Whales are also mammals.
鲸鱼也是哺乳动物。
3. Mammals are characterized by having hair and nursing their young.
哺乳动物的特征包括有毛发和哺乳幼崽。
4. Cats are mammals.
猫是一种哺乳动物。
5. All mammals are vertebrates.
所有哺乳动物都属于脊椎动物。
reproduce
reproduce
繁殖
美/rɪˈprɒdjuːs/
英/rɪˈprɒdjuːs/
v.
reproduce
例句:
1. Mammals reproduce to continue their species.
哺乳动物通过繁殖来延续物种。
2. Most mammals reproduce through live birth.
大多数哺乳动物通过胎生繁殖。
3. Birds reproduce by laying eggs.
鸟类通过产卵繁殖。
4. Reproduction is a fundamental characteristic of life.
繁殖是生命的基本特征。
5. Some animals reproduce by splitting.
某些动物会通过分裂进行繁殖。
fur
fur
毛发
美/fɜːr/
英/fɜːr/
n.
fur
例句:
1. Many mammals have thick fur to keep warm.
许多哺乳动物有厚厚的毛发以保持体温。
2. Polar bears have thick fur.
北极熊有浓密的毛发。
3. Fur can help animals blend in with their surroundings.
毛发可以帮助动物伪装。
4. Some animals' fur changes color with the seasons.
有些动物的毛发颜色会随季节变化。
5. Fur is an important feature of mammals.
毛发是哺乳动物的重要特征。
limb
limb
四肢
美/lɪmb/
英/lɪmb/
n.
limb
例句:
1. Most mammals have limbs.
大多数哺乳动物有四肢。
2. Monkeys have flexible limbs.
猴子有灵活的四肢。
3. Fish do not have limbs.
鱼类没有四肢。
4. The number of limbs varies among animals.
四肢的数量因动物而异。
5. Limbs help animals move.
四肢帮助动物移动。
cub
cub
幼崽
美/kʌb/
英/kʌb/
n.
cub
例句:
1. The cub of a lion is called a cub.
狮子的幼崽叫幼狮。
2. Panda cubs are very cute.
熊猫的幼崽非常可爱。
3. Cubs need their parents' care.
幼崽需要父母的照顾。
4. Many animals' cubs depend on their mothers after birth.
许多动物的幼崽在出生后依赖母亲。
5. Cubs are usually smaller than adult animals.
幼崽通常比成年动物小。
flipper
flipper
鳍
美/ˈflɪpər/
英/ˈflɪpər/
n.
flipper
例句:
1. Seals have flippers for swimming.
海狮有鳍用于游泳。
2. Seals' flippers are suitable for moving in water.
海豹的鳍适合在水中活动。
3. Flippers help animals move in water.
鳍帮助动物在水中移动。
4. Some animals' flippers resemble arms.
有些动物的鳍类似于手臂。
5. Flippers are an adaptation for aquatic life.
鳍是适应水生生活的特征。
placenta
placenta
胎盘
美/ˈpleɪsəntə/
英/ˈplæsəntə/
n.
placenta
例句:
1. The placenta connects the fetus to the mother.
胎盘使胎儿与母体连接。
2. The placenta plays an important role during pregnancy.
胎盘在怀孕期间起重要作用。
3. The placenta can prevent harmful substances from entering the fetus.
胎盘可以防止有害物质进入胎儿体内。
4. The placenta helps maintain fetal development.
胎盘有助于维持胎儿的发育。
5. The placenta is a key part of mammalian reproduction.
胎盘是哺乳动物繁殖的关键部分。
pup
pup
幼兽
美/pʌp/
英/pʌp/
n.
pup
例句:
1. A puppy is a pup.
小狗是幼兽。
2. Seal pups are called pups.
海豹的幼崽称为幼兽。
3. Pups often need their mother's care.
幼兽通常需要母亲的照顾。
4. Pups are more vulnerable than adult animals.
幼兽比成年动物更脆弱。
5. Pups grow quickly.
幼兽的生长速度很快。
nurse
nurse
哺乳
美/nɜːrs/
英/nɜːrs/
v.
nurse
例句:
1. Mammals nurse their young.
哺乳动物通过哺乳喂养幼崽。
2. A cow nurses her calf.
母牛会哺乳小牛。
3. Nursing is crucial for the growth of young animals.
哺乳行为对幼崽的成长至关重要。
4. The nursing period is an important stage for young animals to get nutrition.
哺乳期是幼崽获取营养的重要阶段。
5. Nursing is a typical characteristic of mammals.
哺乳是哺乳动物的典型特征。
flipper
flipper
鳍状肢
美/ˈflɪpər/
英/ˈflɪpər/
n.
flipper
例句:
1. Seals have flippers for swimming.
海狮有鳍状肢用于游泳。
2. Seals' flippers are suitable for moving in water.
海豹的鳍状肢适合在水中活动。
3. Flippers help animals move in water.
鳍状肢帮助动物在水中移动。
4. Some animals' flippers resemble arms.
有些动物的鳍状肢类似于手臂。
5. Flippers are an adaptation for aquatic life.
鳍状肢是适应水生生活的特征。
习惯用语
easy peasy lemon squeezy
easy peasy lemon squeezy
简单得像柠檬汁一样
形容事情非常容易
用于形容某事非常简单
not always
not always
并不总是
表示某种情况不经常发生
用于说明某事不是总发生
in the case of
in the case of
在...的情况下
用于引出特定情况
用于说明在特定情况下某事如何发生
kind of
kind of
有点
表示某种程度或模糊的描述
用于描述某种状态或特征
well over
well over
远远超过
表示数量或程度远超预期
用于强调数量或程度远超标准
in the next few
in the next few
在接下来的几个
表示接下来的一段时间
用于说明未来一段时间内会发生的事情
相关句型
Mammals have fur and nurse their young.
Mammals have fur and nurse their young.
哺乳动物有毛发并且哺育幼崽。
Bats are the only mammals that can fly.
Bats are the only mammals that can fly.
蝙蝠是唯一能飞的哺乳动物。
Elephants have wrinkled skin and large ears.
Elephants have wrinkled skin and large ears.
大象有皱纹的皮肤和大耳朵。
Porcupines have quills instead of fur.
Porcupines have quills instead of fur.
豪猪有刺而不是毛发。
Arctic bowhead whales can live over 100 years.
Arctic bowhead whales can live over 100 years.
北极露脊鲸可以活超过100年。
