Teratron
亚毫米波振荡器
🗣️ 情景例句
How long is it going to take for me to get there?
到那里还需要多久时间
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
Thank you, Polly! laughed Ann.What a beautiful present! I can wear it in my new hat.
“谢谢你，波利！”安笑着说。“多么美丽的礼物啊！我可以把它插在我的新帽子上。”