Prestressing
预加应力; 预拉伸
🗣️ 情景例句
This is the big moment.
这可是关键时刻。
No,it isn't.
不，不是。
I'm tired, said my younger brother as he climbed up to join me.
“我累了，”我弟弟边说边爬上岩石和我汇合。