Rayox
二氧化钛
🗣️ 情景例句
Good. Can we sign them right away?
好的。我们现在可以签合同了吗？
Don't jinx it.
话别说得太早。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”