Celsus's operation
[医] 塞耳萨斯氏手术(会阴膀胱取石术,碎胎断头术,环状切肢术)
🧩 词语组成解析
🗣️ 情景例句
But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事，我把日期弄错了，而且到现在才知道这个错误。
The fire is the test of gold; adversity of strong man.
烈火试真金，困苦练壮士。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。