Smoothometer
不平度测定仪
🗣️ 情景例句
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
How much does she eat?
她要吃多少？
Where did you learn to speak English?
你从哪里学会说英语的呢？