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
What's the nature of the problem?
是什么样的问题？
Today is the first day of spring.
今天是春天的第一天。
but I could not conceal the fact that I was impressed by the size of the diamonds.
其钻石之大给我留下了深刻的印象。