Ester(ification) number
[化] 酯化值
🧩 词语组成解析
🗣️ 情景例句
Don't you see?
你不知道吗?
On a cold day, a warm fireplace feels very nice.
在天寒地冻的日子，温暖的炉火旁是很舒服的。
He is swimming across the river.
他正横渡小河。