The ducklings are cheeping.小鸭咻咻地叫着.The ducklings are swimming close to their mother.小鸭子紧挨着母鸭游水.The ducklings plumped into the water.小鸭子扑嗵扑嗵跳入水中.The ducklings have shed their yellow down.小鸭褪了黄毛....
The ducklings are swimming close to their mother.小鸭子紧挨着母鸭游水.The ducklings plumped into the water.小鸭子扑嗵扑嗵跳入水中.The ducklings have shed their yellow down.小鸭褪了黄毛....
Factors such as a transient bacteremia from any of several sources may lead to wound infection.来自几种来源中任何一种的暂时的菌血症的因素可导致伤口感染.Persistent bacteremia often leads to severe sepsis or overwhelming septic shock.持续性的菌血症经常导致严重的败血...
A burro is carrying salt of one large bag backcross a river.有一头驴子驮着一大袋子盐过河.The method can be conveniently applied to practical backcross breeding programs.该方法可以很方便地应用于实际的回交育种....
The air is rare at high altitudes.高处空气稀薄.Bottoming out near Heron Island, a manta ray can hit much higher altitudes too.可以在鹭鸶岛附近潜至最深处的鬼蝠魟,其实可以更上一层楼.The space shuttle can orbit at altitudes of up to 965 kilometers.这架航天飞机最...
This new machine will emancipate us from the hard work.这部新机器将把我们从繁重劳动中解放出来.To emancipate all mankind, we will balk at no sacrifice . even that of our lives.为了全人类的解放, 即使牺牲生命也在所不惜.We must emancipate our thinking in a bold ...
They offer tips on topics such as home safety.他们就家居安全等问题提供建议。The Oxford Chemistry Primers aim to cover important topics in organic chemistry.《牛津化学初级读本》丛书旨在论述有机化学中的重要问题。They talked amiably and easily about a range of topi...