Tetrolic acid
[化] 2-丁炔酸
🧩 词语组成解析
🗣️ 情景例句
We would adopt payment by instalments for our present practice,
这次交易我们将采取分期付款方式，
It's very cold outside.
外面非常寒冷。
Could you help me please, girls? I want to put these things in the car.
姑娘们，能帮帮我吗？我想把这些东西放到车里面。