Ad lib.
[医] 随意, 任意
🧩 词语组成解析
ad
[æd]
n. 广告;网球中的优势分advantage. ad in;
[医] 磅
🗣️ 情景例句
Hi, Alexandra. Come on in.
嗨， Alexandra 。请进。
I always have a big wash to do on saturdays.
我星期六总是有一大堆的衣物要洗。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。