Peclet number
[化] 沛克莱数
🧩 词语组成解析
🗣️ 情景例句
After the marathon, most of the competitors looked all in.
跑完马拉松，大多数参加比赛的人显得疲劳不堪。
The doctor said I looked worried and nervous.
医生说我看起来太忧郁和紧张了。
At night, families often stay in the open air near their houses.
晚上很多人家常呆在附近户外。