Sigmatron
高能 X 射线仪, [核]西格马加速器
🗣️ 情景例句
Please sit down, Alexandra.
请坐 ，Alexandra。
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
'This is a private conversation!'
“这是私人间的谈话！”