Controlled tria
[医] 对照试验
🧩 词语组成解析
a. 受约束的, 克制的\\n[法] 受管制的, 受控制的, 受管辖的
[医] 试验
🗣️ 情景例句
Exactly.
正合我意。
What did you talk about?
你们谈论了什么？
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，