30 percent of reptiles, birds, and fish are currently threatened with extinction.目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。Richard Chamberlain has agreed to make a sequel to "The Thorn Birds".理查德·张伯伦已经同意接拍《荆棘鸟》的续集。The birds cling to the ...
The birds smashed into the top of their cages in fright.鸟儿惊恐地冲过去，撞到了笼子顶上。That does not necessarily mean that birds would chose anthocyanin - filled fruit.这并不一定意味着鸟类会选择含有花色苷的水果.It is best to stifle curiosity and leave bir...
底物:酶作用的单分子或多个分子.Substrate 1 . The molecule or molecules upon which an enzyme acts.结果表明过物酶同功酶在枣树叶片中具有发育阶段性和器官的特异性.The results showed that peroxidase isoenzymes in chinese jujube had tissuse specialities and development di...
刘胡兰在敌人的屠刀面前大义凛然,视死如归.Liu Hulan unflinchingly faced death under the butcher's knife of the enemy.这些魔鬼临死也不会放下屠刀.These monsters would not lay down their cleavers even when on the brink of their own destruction.放下屠刀,立地成...