The gyroscope compass makes the vessels keep on the fixed course voluntarily.陀螺罗盘自动使船只保持在预定的航线上.The law of conservation of angular momentum may be demonstrated with a gyroscope.角动量守恒定律,可以用回转器来演示.Electrostatic suspended g...
Even a greater natural calamity cannot daunt us.再大的自然灾害也压不垮我们.The difficulty did not daunt him.那种困难吓不倒他.Unarmed policemen did not daunt him, neither did the cars in the streets.不要说是个赤手空拳的巡警, 就是那满街横行的汽车,他也不怕....