Glucomannan
[生化]葡甘露聚糖
??? 情景例句
It's getting late, and we have a bit of a drive.
已經晚了， 而我們還要開好一段路呢。
May I come in?
我能進來嗎？
I'm sorry, but I don't really have much choice.
對不起，我實在沒有什么選擇余地。