/stʌmp ||; stʌmp/noun [C] the part that is left after sth has been cut down, broken off, etc 残余部份；残根: a tree stump树桩☞picture at erode 见erode插图
stump²
/stʌmp ||; stʌmp/verb [T] (informal 非正式) to cause sb to be unable to answer a question or find a solution for a problem 难倒: I was completely stumped by question 14.第14道题完全把我难倒了。