Evolution can explain why human embryos look like gilled fishes.进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.不定胚与合子胚之间不能划分出明显的界限.Most grass embryos have a fla...
Evolution can explain why human embryos look like gilled fishes.进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.Early division phase embryos may use metabolites provided by the suspensor, persistent and degenerating synergids.早期分裂时期的胚可以利用胚...
The birds cannot afford to relax their vigilance against predators.鸟儿不敢放松对捕食者的警戒。Constant vigilance is necessary in order to avoid accidents.为了避免意外事故,必须经常保持警惕.Never relax your vigilance while you live in peace.你们要居安思危.We...
你用了这星期给你定量的汽油了 吗 ?Have you used your ration of petrol for this week?此外, 有许多很有价值的目标并不是可以定量的.Moreover, there are too many worthwhile goals that are not quantifiable.目前, 人们不能以任何定量的方式来理解熔融态与普通的液态.Melting, now, and the ordina...
First McNeil had to cool down the volatile Australian 20-year old.首先麦克尼尔得让那个脾气暴躁的20岁澳大利亚小伙子冷静下来。Cool down very gradually after working up a sweat.大量出汗后要慢慢降温。You shouldn't let him annoy you so much. Cool down!你不该为他冒这...
这些受苦人仇恨那些拥有这种厂房的厂主.These sufferers hated the manufacturers who owned those buildings.荣耀之先,必是受苦. 人子在戴上皇冠前,承受着十字架的痛.There's a suffering before glory. There's a cross before crown....
The towering pine and cypress trees defy frost and snow.松柏参天傲霜雪.The pine and the cypress remain green all the year round.苍松翠柏,常绿不凋.The rays of the late sun slanted in streams through the cypress trees.夕阳的光线一缕缕地从柏树林中斜穿过来....
我们将在中途停下,在一家饭馆吃饭.We'll stop off at a restaurant for dinner.这种狂妄的幻想使他在中途岛战役中一无作为.This delusory vision kept him out of action at Midway.我在中途可以停 吗 ?Can I stop over on the way?...