Orthotester
奥氏测微计
🗣️ 情景例句
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
When the sun comes in, the doctor goes out.
阳光入室，医生出屋。
During the day, sleep comes in snatches.
白天是忽睡忽醒，