Trelat'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
We appreciate your interest in our firm, however, and thank you for writing.
我们感谢你对我们公司表示的兴趣，谢谢你的来信。
His presence in the room was not noticed.
没有人注意到他在房间里。
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？