Sigmatron
高能 X 射线仪, [核]西格马加速器
🗣️ 情景例句
It was on his birthday, June second, two years ago.
是在他生日那天。两年前的六月二日。
There are 16 participants here today.
今天有16位参会者。
not as description or reminiscence.
不要靠描述和印象去感觉。