Gradin
n. 梯級, 架子
??? 情景例句
OK. I'll let you get back to your work.
好，你過去工作吧。
I was born anAmerican; I live an American; I shall die an American.
我生下來是美國人，活著是美國人，死時也是美國人。
I think it's about five o'clock.
我想大約快五點了。