Diphdrotachysterol
二氢速甾醇
🗣️ 情景例句
One piece of advice.
给你一句忠告。
Thank you for helping me.
谢谢你帮了我的忙。
After we had landed, the plane was searched thoroughly.
我们降落之后，飞机被彻底搜查了一遍。