feeder
英 ['fiːdə]
美['fidɚ]
	    - n. 支线;喂食器;奶瓶;饲养员;支流
 
考试真题
- One of the largest feeders for high school math competitions—including those that eventually lead to the IMO—is a middle school program called MathCounts.
 
出自-2017年6月阅读原文
- Another influential feeder for advanced-math students is an online school called Art of Problem Solving, which began about 13 years ago and now has 15,000 users.
 
出自-2017年6月阅读原文