Contratest
a. 对照试验的
🗣️ 情景例句
What's eating you?
什么正影响着你的情绪呢？
Thank you. Here's $10:00. Keep the change.
谢谢你。这是10美元，不用找了。
I think you'd better fly somewhere in the west.
我认为你最好先飞到西部的一个地方。