Diformin
[化] 二甲精; 甘油二甲酸酯
🗣️ 情景例句
Tell me about your book.
谈谈你的书吧。
Slowly, mountains are worn away by the wind.
山体逐渐被风化了。
Beyond two or three days, the world's best weather forecasts are speculative,
世界上最好的两三天以上的天气预报具有很强的猜测性，