Aerodynamic diameter
[化] 空气动力直径
🧩 词语组成解析
a. 空气动力学的
🗣️ 情景例句
I happened to meet her on the bus.
我凑巧在公共汽车上碰见她。
Quality is better than quantity.
质重于量。
The man lay on the road. Luckly, he was not badly hurt. But he could not move.
他躺在路上。幸好他伤得不重。但他不能动。