Glycal
烯糖(脱去了两个HO的糖)
🗣️ 情景例句
But I've never had the pleasure of doing any business with you.
可是同贵公司尚无业务往来。
I wonder if it will be too long.
我不知道它是不是会太长。
And if, with the decay of vitality, weariness increases,
再者，随着精力的衰退，老年人的疲惫感会增长，