Redar
红外光测距仪
🗣️ 情景例句
Don't worry, everything will work out in the end.
别担心，到最后一切都会顺利成功的。
No, I'd rather not watch television tonight.
不，今晚我不愿看电视。
'I am a foreigner,' I said.
“我是个外国人，”我说。