Pervanadate
过钒酸盐
🗣️ 情景例句
Can I see your selection of perfumes?
我能看一下你们的香水吗？
I took 4 feet of cloth.
我拿了四英尺布。
I had no sooner got back to the kitchen than the doorbell rang loud enough to wake the dead.
我刚回到厨房，门铃又响了起来，响声足以把死人唤醒。