“坐下时”造句

当她在桌前坐下时,却发现自己不知道该说些什么了。
When she sat down at her desk she found that the words evaded her.

坐下时我的腿还会痛。
My leg still aches when I sit down.

他的滑雪板交叉在一起坐下时,姿势很不雅观.
His skis crossed and he sat down in a most undignified manner.