Every man has his hobbyhorse.萝卜青菜,各有所爱.Don't get him started on his hobbyhorse.不要让他又开始他的老调重弹.Now he's started on his hobbyhorse.现在他又开始老调重弹了.Every man has his hobbyhorse .萝卜青菜，各有所爱...
生物班的学生研究了果蝇的繁殖.The biology class studied the generation of fruit flies.射线对于果蝇的遗传产生强烈的作用.Radiation has a strong effect on the heredity of fruit flies.果蝇的一种实验品系,翅膀缩小,称为残翅.One laboratory stock of Drosophila melanogaster has...
A methane molecule is composed of one carbon atom attached to four hydrogens.甲烷分子由1个碳原子与4个氢原子构成。Those that are aligned in the place are called equatorial hydrogens.那些在平面上定向的氢叫做平伏氢.Those that are aligned perpendicular to ...