Sphingometer
梁和桁 架挠度测定器, 光测挠度计
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
How long have you been married?
你们结婚多久了？
Yes, they're free. But there's usually a long line.
是的，免费。但常常要排长队。