Fleitmann's tests
[医] 弗莱曼氏试验(检砷化物)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
Do you have some stamps?
你有邮票吗？
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？