Six volunteers slid down the cliff with the help of a rope.

　　六名志愿者通過(guò)繩索從懸崖上滑了下來(lái)。

　　At 9, he was able to walk with the help of a walking stick.

　　9歲時(shí)，他就能借助拐杖走路了。

　　With the help of a dog, the police searched the bus for two hours.

　　在一條狗的幫助下，警察搜查了公交車(chē)兩個(gè)小時(shí)。