Germitron
紫外线灯装置
🗣️ 情景例句
Don't worry, Richard.
别担心， Richard。
Some of our customers have recently expressed interest in your woolen carpets and inquired about their quality and prices.
目前我们的一些客户对你们的纯毛地毯颇有兴趣，并询问其质量和价格。
who has beenworking or worrying about serious things for six days,
为严肃的公务操劳或烦恼了6天的