Genes are those tiny bits of biological information swapped in sexual reproduction.基因是在有性繁殖中交换的微小生物信息。We have been able to divorce sex from reproduction.我们已经能够将性和生育完全分开了。Use a black pen on white paper to ensure good repr...
I was so tired I crashed out in an armchair.我十分疲倦,在扶手椅上睡着了。She flopped into an armchair.她猛然坐到扶手椅上。He lounged in an armchair in a stance of deliberate contempt.他懒洋洋地躺在扶手椅里,故意摆出一种轻蔑的架势.This great book is ideal for both the...
我愿在田里锄地.I'd like to hoe in the field.拔草和锄地时尽量不要踩到花坛。Try not to walk on the flower beds when weeding or hoeing.今天他在葡萄园里锄地。Today he was hoeing in the vineyard....