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
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
It is easy to open a shop but hard to keep it always open.
开设店铺易，维持常开难。
For one agonizing moment, the dish was perched precariously on the bank of the canal, but it suddenly overbalanced and slid back into the water.
在令人忐忑不安的瞬间，盘子晃晃悠悠地上了岸，但它突然失去了平衡，又跌回水中。