Mannosan
甘露聚糖
🗣️ 情景例句
Yes, …is here. Please hold a minute.
是，……在这儿。 请等一下。
I was perfectly aware of this before we married.
结婚前我就完全意识到这个问题。
Good, we'll be ordering in just a few days.
很好，两三天内我们就会下订单。