Chalkogenide
硫属化物
🗣️ 情景例句
You will come up with the right answer.
你会想起正确的答案的。
I'm afraid it was a bother for you to do this.
我害怕做这会给你带来麻烦。
Then we had to walk across some very wet ground.
然后，我们还得走过一些潮湿的地面。