Sparkman's test
[医] 斯巴克曼氏试验(检尿胆素原)
🧩 词语组成解析
🗣️ 情景例句
and he doesn't know anything
而他毫无所知
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
Twenty people had already left.
有20个人已经离去。