Floodwall
n. 防洪石堤,防洪岸壁
🗣️ 情景例句
It's a problem, isn't it?
这确实是个问题，不是吗？
Opportunity only knocks once.
机不可失，时不再来。
I play the guitar, piano and jazz violin.
我弹吉他、钢琴以及拉爵士小提琴。