Trepan-formed perforator
[医] 圆锯形穿孔器
🏥 医学释义
圆钻形穿孔器
🧩 词语组成解析
n. 环锯, 钻孔机\\nvt. 用环锯做手术, 诱入圈套, 欺骗
a. 成形的, 成形
perforator
['pɜ:fəreɪtə]
n. 穿孔器，穿孔员;凿孔机;
🗣️ 情景例句
Have you ever been there?
你去过那儿吗？
Do you often study history on Saturday?
你常常在星期六学历史吗？
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，