Dynatron
n. 回射电子管, 介子\\n[电] 负特性管
🗣️ 情景例句
Helen has told me all about you.
海伦对我将了好多你的事儿。
You'd better run or you're going to be left behind.
你最好跑不然你将落在后面。
The days get longer and the nights get shorter.
白天变长了，黑夜变短了。