Control butter
[医] 对照试验
🧩 词语组成解析
control
[kən'trol]
vt. 控制;管理;限制;支配;
n. 支配权;操纵者;（对国家、地区、机构等的）管理权;（键盘上的）控制键;
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
Did she mention when she would arrive?
她说过什么时候到吗？
To hide in a hole
藏身穴中
During a radio programme, a company of biscuit manufacturers once asked listeners to bake biscuits and send them to their factory.
有一次，在电台播放的节目里，一个生产饼干的公司请听众烘制饼干送到他们的工厂去。