Undertows
n. 回头浪( undertow的复数形式 )
🗣️ 情景例句
Marilyn, Susan, let's not begin to worry about Michelle and Max.
Marilyn， Susan不要开始担心Michelle和Max。
This metal is harder than that one.
这种金属比那种硬。
The settlers built railways across the plains and began to hunt even more bison.
殖民者在平原上修起了铁路，于是开始猎取更多的野牛。