Galactomannan
半乳甘露聚糖
🗣️ 情景例句
You want to play charades?
你想玩哑谜？
Don't cast out the foul water till you bring in the clean.
清水未来，莫泼赃水。
the young man has a glorious future before him and the old one has a splendid future behind him:
青年人有光辉灿烂的前景，而老年人的辉煌已成为过去。