It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered.

她刚看见它，它就立刻逃走了。专家证实，美洲狮非被逼得走投无路，是决不会伤人的。

Sparks were emitted from small black boxes and red lamps flashed on and off angrily.

小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。

A temporary rudder was made on board from spare planks and it was fitted with great difficulty.

船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，

Justice had been done even before the man was handed over to the police.

甚至在那人还没被送交给警察之前，正义就已得到了伸张。

It is impossible to give a satisfactory explanation for a pot-holer's motives.

要想对洞穴探险者的动机作出满意的解释是不可能的。

For one agonizing moment, the dish was perched precariously on the bank of the canal, but it suddenly overbalanced and slid back into the water.

在令人忐忑不安的瞬间，盘子晃晃悠悠地上了岸，但它突然失去了平衡，又跌回水中。