Formol reaction
[医] 甲醛反应
🧩 词语组成解析
甲醛
🗣️ 情景例句
How much do stamps cost?
邮票多少钱？
Hoist your sail when the wind is fair.
随机应变。
Excuse me.Where's the nearest bus stop, please?
请问，最近的公共汽车站在哪儿？