🧩 词语组成解析
🗣️ 情景例句
He is quick-witted.
他反应灵敏。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
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。