weeder
🇬🇧/ˈwiːdə/ 🇺🇸/ˈwidər/a farmhand hired to remove weeds. a hand tool for removing weeds
noun [专属名词] 除草者;除草机
For example, Organic Chemistry and Econometrics are supposed to be weeder courses. 例如,《有机化学》和《经济计量学》都可能是这样的筛选课程。