happen ['hæpən]
发生
put [put]
(put的过去式)放
ride [raid]
骑
thirsty ['θə:sti]
口渴的
watermelon ['wɔtə,melən]
西瓜
fell off
(fall off 的过去式)从……上跌落
knee [ni:]
膝盖
cut [kʌt]
(cut的过去式)切,割
finger ['fiŋgə]
手指