Refractoscope
折射测定仪, 光率仪
🔁 扩展释义
【医】 聚音听诊器
🏥 医学释义
聚音听诊器
🗣️ 情景例句
Since I retired,
自从我退休以后，
His presence in the room was not noticed.
没有人注意到他在房间里。
When they objected, they were killed.
他们反抗时就被杀害。