总统一职似乎正在沦为政治上的摆设。The presidency is beginning to appear a political irrelevance.该国在政治上取得了巨大的发展，但经济却跟不上去。The country has made enormous strides politically but not economically.无论从经济上还是政治上来看，这件事来得都太不是时候了。Economically and po...
同型丝氨酸也牵涉到蛋氨酸的生物合成.Homoserine has also been implicated in the biosynthesis of methionine.每一组同型的再分为亚组,称为同种异型.Each of these isotypes is divided into subgroups called allotypes.我们的CD-17柴油机在同型机器中马力最强.Our diesel engine CD - 17...
There are times when personal feelings cannot be allowed to intrude.有些时候是不允许夹杂个人感情的。Do you feel anxious when unforeseen incidents intrude on your day?当意外事件干扰了你的生活时，你会感到焦虑吗？I'm sorry to intrude on you like this.很抱歉这样...