Dowell's test
[医] 道韦耳氏试验(后叶激素皮内注射检孕法)
🧩 词语组成解析
🗣️ 情景例句
a portrait of the United States--
一幅美国的剪影--
My watch is fast and your watch is slow.
我的表快，而你的表慢。
He acted as if he had never lived in England before.
他的举动就好像他从未在英国生活过一样。