Glucomannan
[生化]葡甘露聚糖
🗣️ 情景例句
It's getting late, and we have a bit of a drive.
已经晚了， 而我们还要开好一段路呢。
May I come in?
我能进来吗？
I'm sorry, but I don't really have much choice.
对不起，我实在没有什么选择余地。