Random variation
[计] 随机变化\\n[经] 随机变化
🧩 词语组成解析
random
['rændəm]
adj. 任意的;随机的;胡乱的;
n. 随意;偶然的行动;
🗣️ 情景例句
Which band of College English Test have you passed?
大学英语考试过了几级？
What do you want to do after graduation?
你毕业后想干什么？
Travellers on short trips to areas with water supplies of uncertain quality should avoid drinking tapwater, or untreated water from any other source.
短途旅行到水质不保险的地区时，应避免饮用水龙头的水或未经处理任何其他来源的水。