Beilstein test
[机] 贝尔斯登试验
🧩 词语组成解析
🗣️ 情景例句
It's too noisy for some older people like Nat.
它对于像Nat这样的老人来说太吵了。
Don't whistle until you are out of the wood.
没有脱离险境，不要过早高兴。
Yes, I think we do. Lucy, we need some more tea. Can you get some, please?
我想我们还要些茶。露西，我们还要些茶。请你去沏些茶，行吗？