He looked suddenly sombre, pensive.他突然看起来很阴郁，一副忧虑的样子。He became so pensive that she didn't like to break into his thought.他陷入沉思之中,她不想打断他的思路.What are you so pensive about?你这么专心,在想些 什么 ?...
冬天来临，大部分关口均已关闭。Most of the passes have been closed with the onset of winter.向导慢慢地通过狭隘的关口.The guide slowly led through the pass's jaws.部队只得排成单列通过关口.The troops had to defile through the pass....
At the onset of germination, the hypocotyl elongates rapidly by cell enlargement.萌发开始时, 下胚轴依靠细胞增大而迅速伸长.Excessive moisture is unfavourable for soybean germination.水分过多对于大豆萌发是不利的.Temperature is most important for seed germ...
Language is something which fundamentally distinguishes humans from animals.语言是将人类与动物区分开来的基本特征。What distinguishes homo sapiens from every other living creature is the mind.智人和其他生物的区别在于大脑。He has that je ne sais quoi that ...