prop-word
n (grammar) the word one (or ones) when used to stand for a noun, esp a noun that has been mentioned previously, as in `Which piece would you like?´ `I´d like the bigger one.´ 代替词(即one或ones, 用以代替名词, 尤其是代替前面提到的某名词, 如`Which piece would you like?´ `I´ d like the bigger one.´).