In experimenting we find out that sound travels with different velocities through different substances.在实验中,我们发现声音以不同的速度通过不同的物质而传播.I enjoyed experimenting with colours — it took me back to being five years old...我喜欢尝试各种颜...
In 1857 Mendel started experimenting with peas in his monastery garden.1857年，孟德尔开始在修道院的菜园里用豌豆做实验。The pupils are experimenting on frogs.学生们正用青蛙做试验.I enjoyed experimenting with colours— it took me back to being five years ...
She lost five games on the trot.她接连输了5场比赛。Her new job certainly keeps her on the trot.她的新工作把她忙得不可开交.They have won three races on the trot.他们在比赛中接连赢了三次....