Quadruplicating
n. 一式四份\\na. 四倍的；四次方的\\nvt. 使成四倍
🗣️ 情景例句
They're both very good buys.
这两栋都是价格便宜的。
It's a beautiful country with forests, mountains and deserts.
这个国家很美，它有很多森林、山和沙漠。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。