Boroscope
内孔径表面检查仪, 光学孔径检查仪, 内孔窥视仪, 检孔仪
🗣️ 情景例句
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
On one hand, I was anxious to leave.
一方面，我急于离开山洞。