Error detector
[电] 检差器
🧩 词语组成解析
🗣️ 情景例句
I'm on the top floor.
我在顶层。
Young man may die but old men must die.
年轻人可能会死，老年人难免不亡。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。