Hegar's dilators
[医] 黑加氏子宫颈扩张器
🧩 词语组成解析
(dilator 的复数) n. 详述者, 扩张器, 扩张肌\\n[医] 扩张器, 扩张肌, 开大肌
🗣️ 情景例句
As a matter of fact,
事实上，
She's not at her desk right now.
这会儿她不在办公室办公。
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.
最近有个学生看见两个工人在学校门外用风钻干活，马上打电话报告警察，说有两个学生装扮成工人，正在用风钻破坏路面。