Saticon
塞蒂康视象管, 硒砷碲视象管
🗣️ 情景例句
We have both been excited about seeing you
我们两个很高兴见到
It takes courage to do so.
这样做需要勇气。
Jim ran very fast, but Yu Yan from Class 1 ran faster. He began to catch up with Jim.
吉姆跑得非常快，但是1班的余延跑得更快。他开始赶上吉姆。