Polytropy
多变性, 多变现象
🗣️ 情景例句
Please remain calm, sir. Just give me your name and your location.
请保持镇静，先生。告诉我你的名字和所在地点。
I often go out in the morning.
我常常在早上出门。
I caught the last bus.
我赶上了最后一班车。