Bettmann's test
[医] 贝特曼氏试验(检砷)
🧩 词语组成解析
🗣️ 情景例句
Oh, no sir. We already gave you a discount on each item.
哦，不行，先生。每一件东西我们都给你打过折扣了。
We need more staff in the office.
我们办公室需要增加人手。
Happy birthday! they said.
“生日快乐！”他们说。