Prepositor
n. 學生自治會主席, 級長
??? 情景例句
This is Susan with Jiaotong University student. May I have your name, sir?
我是交通大學的在校生蘇珊，請問您貴姓？
Take two pills and have a good rest.
吃兩片藥，好好休息一下。
may have left an automatic messenger behind to await the possible awakening of an advanced civilization.
很可能會在離開太陽系時留下自動化信息裝置，等待先進文明的覺醒。