Laughlen tests
[医] 劳克林氏试验(检梅毒)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
this community can do anything to benefit its citizens,
这个社区可做任何造福居民的事情，
The stations are always full of people.
火车站里经常挤满了人。
Is that bag heavy, Penny?
那个提包重吗，彭妮？