Metabisulfite
偏亚硫酸氢盐
🗣️ 情景例句
It's asking a lot.
那需要做许多工作。
It's a sunny day.
今天是个艳阳天。
A blurred image appears; he adds a brushstroke and another, and it is gone;
一个朦胧的形象出现在作家的脑海里，他左添一笔，右添一笔，形象反而消逝了；