下时

• down time

例句

1. 我们顺流而下时，水流更急了。
   The current strengthened as we moved down the river.
2. 这个水壶上的开关按下时卡不住了。
   The switch on the kettle won't stay down.
3. 那个胖子坐下时，旧椅子发出嘎吱的响声。
   The old chair gave a groan when the fat man sat down on it.