Mirror tests
[医] 镜面试验(检支气管分泌物)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
The selection here is very large, it may be difficult to choose.
这里有很多式样可以选，可能很难决定。
You should wear a something warm, It's chilly today.
你应该穿暖和一些的衣服，因为今天很凉。
I was standing at the back, so I couldn't see very well.
我站在后面，看不清。