A developing baby floats in sterile amniotic fluid , protected from bumps — and bugs.
生长中的胎儿是处于无菌的羊水中,羊水能避免碰撞和病菌.
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Photo Gallery: Whales The white bumps on a right whale's head are skin abrasions called callosities.
鲸鱼图片 美术馆 .白色的隆起物在一条脊美鲸的头部是皮肤磨损称为老茧皮.
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The type had hit the card so hard that it made bumps on the other side.
铅字重重地打在卡片上,以致卡片的另一面都凸起了.
英汉非文学 - 科学史
You should wear hard hats when caving to protect the head from bumps and falling rocks.
在开采洞穴时,你必须要戴上安全帽,以防止头部撞到突起物,或者被掉落的岩石砸伤.
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The bumps on a whale's flipper help form vortices that generate more lift, more smoothly.
鱼鳍上突起的部分有助于形成涡旋,也就更增大上升力 、 减小阻力.
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The E 250 CGI bumps that figure up to 204 horsepower, while still offering 32 mpg.
电子商务250的CGI颠簸,这一数字高达204马力, 同时仍提供32英里.
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