Concentration butter
[医] 浓缩试验(检肾机能)
🧩 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
No pain, no gain.
只有付出，才有收获！（不劳则无获！）
Honours change manners.
荣誉能改变人的礼貌。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。