Arconograph
电弧稳定性测定仪
🗣️ 情景例句
What did they say?
他们说什么?
Would you please clarify your question?
请你把你的问题说清楚好吗？
On the other hand, I felt sad that I wasn't able to tell my grandparents that we were safe.
另一方面，我为不能告诉我的祖父母我们十分安全而感到难过。