Combination reaction
[建] 化合反应
🧩 词语组成解析
🗣️ 情景例句
While my car is in the shop, they have given me a courtesy car to drive around.
我的车还在修理店时，他们给我一辆替代车用。
That's international practice. We can't break it.
这是国际惯例，我们不能违背。
He led them down the mountain.
他带他们下山。