keeponescool和keepcool一樣嗎

！keep one's cool和keep cool在詞義上有一樣的，也有不同。

keep one's cool中cool為名詞，中文意思是保持冷靜

keep cool中cool為形容詞，中文意思是保持冷靜保持涼爽鎮定自若

In ancient China， hand fans were almost the only ones to help people keep cool.

在古代中國，手扇幾乎是唯一的幫助人們保持涼爽的工具。