Treitz's speculum
[医] 特雷拉氏窥器, 双瓣直肠窥器
🧩 词语组成解析
n. 金属镜, 反射镜, 扩张器\\n[医] 窥器, 张开器; 透明隔; 翼斑, 翼镜(鸟)
🗣️ 情景例句
But you just put on your pajamas and robe,
你先把这睡衣裤穿上，
I've got a pain in my head.
我的头痛。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。