Tridepside
三缩酚酸
🗣️ 情景例句
She was caught in the branches of our tree.
被我们家树上的树枝夹住了。
I'm sorry I'm late.
对不起，我迟到了。
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。