Ad 2 vic.
[医] 连续两次, 两个剂量
🧩 词语组成解析
ad
[æd]
n. 广告;网球中的优势分advantage. ad in;
🗣️ 情景例句
No, no. I'll do that.
不， 不。我自己来。
Do you have an umbrella?
你有雨伞吗？
He waved desperately to his companion, who had been water skiing for the last fifteen minutes.
他绝望地向他的伙伴挥手，他的伙伴在过去的15分钟里一直在滑水。