Delff's butter
[医] 德尔夫氏试验(检咖啡因)
🧩 词语组成解析
butter
['bʌtɚ]
n. 黄油;黄油状的食品;奉承话;焊膏;
vt. 抹黄油于…上;用黄油煎食物;讨好;
🗣️ 情景例句
I'd like you to meet the head of the student relations committee.
我想见见学生关系委员会主席。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
The Great St.Bernard Pass connects Switzerland to Italy.
圣伯纳德大山口连接着瑞士与意大利，