Commutative law
[计] 交换律
🧩 词语组成解析
a. 交替的, 交换的\\n[法] 交换的, 代替的, 互相的
law
[lɔ:]
n. 法;法学;规律;法制;
vt.& vi. [口语、方言]诉诸法律，对…起诉，控告;
vt. 控告;对…起诉;
🗣️ 情景例句
Hello, my name is Li Ming and we have a reservation for party tonight.
喂，您好。我叫李明，我们在你们这预定了今晚聚会。
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
They work all day.
他们整天营业。