Stannometer
(金属)镀锡层厚度磁性测量计
🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
He always forgets to wash behind his ears.
他总是忘记洗耳朵后面。
Our clavichord is kept in the living room.
我们的这架古钢琴存放在起居室里。