Hexides
己糖二酐(脱二水己六醇类)
🗣️ 情景例句
OK, everybody.
好啦 各位。
I lack words, with which to express my thanks.
我无法以言语来表达我的感激之情。
The seeds must be carefully chosen; they must fall on good ground;
那就必然从精选良种做起，然后将其植入肥沃的土地，