Aerothermodynami
n. 气体热力学
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
This is my friend Susan.
这位是我的朋友苏珊。
I crossed the street to avoid meeting him, but he saw me and came running towards me.
我穿过马路以便避开他，但他看到我并朝我跑过来。