Ad extremum
[医]直到有效
🧩 词语组成解析
ad
[æd]
n. 广告;网球中的优势分advantage. ad in;
n. 极值
🗣️ 情景例句
What kind of payment terms can you offer?
您要什么样的付款方式？
You have to be on time. Don't be late.
只准早到，不许迟到。
We also played games on the sand.
我们还在沙滩上做游戏呢。