Diameters
n. 直径( diameter的复数形式 ); 放大率
🗣️ 情景例句
He's upset over the fact that he wasn't promoted this year.
他对今年没有升迁感到恼怒。
You make the failure complete when you stop strying.
不再努力之时，就是完全失败之日。
Letter
1第一封信