Prestressed
预应力的（混凝土）
🗣️ 情景例句
You too. Bye.
彼此彼此，再见。
Send a postcard to me when you arrive in Shanghai.
你到上海以后给我发张明信片。
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也许他只是有点儿感冒。