Mayer's test
[医] 迈尔氏试验(检生物硷)
🧩 词语组成解析
🗣️ 情景例句
It's getting late, and we have a bit of a drive.
已经晚了， 而我们还要开好一段路呢。
What is he doing?
他做什么事？
However, when I was going out shopping last week, I noticed him in the garden near the gate.
然而上星期我正要出去买东西时，发现它正呆在花园里边靠门的地方。