Perchloride tests
[医] 过氯化物试验(检孕)
🧩 词语组成解析
n. 高氯化物\\n[化] 高氯化物(含氯最多者)
n. 测验（test的复数）
🗣️ 情景例句
I have to leave. I feel terrible, but...
我得走了。真是糟糕透了， 但……
To hear a hundred times is not so good as to see once.
百闻不如一见。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时