Cyd
[医][=cyclodextrin]环糊精
🗣️ 情景例句
Have you ever been to Guangzhou?
你以前来过广州吗？
If you have no questions, may I go on to the next stage?
如果你们没有问题了，我可以进行下一阶段吗？
We have all experienced days when everything goes wrong.
我们大家都有过事事不顺心的日子。