Leach's tests
[医] 利奇氏试验(检甲醛)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
It's my pleasure.
我很愿意效劳。
I will come back with him if he asks me.
我会和他走回来，假如他要求我的话。
When Dickie was given the watch, the presented the assistant with the cloth bag.
店员为迪基拿出了那块手表，迪基把布口袋递给他，口袋里面装着300镑的便士。