Stern's test
[医] 斯特恩氏试验(乏色曼氏反应改良法及检孕)
🧩 词语组成解析
🗣️ 情景例句
I want to keep the after-school programs--
我要保存这些课外活动--
I prefer tea to coffee.
和咖啡相比，我更喜欢茶。
Then he put a piece of cheese in his pocket and went away.
然后把一块乳酪装进衣袋里走了。