plus /plʌs/ I. adj. 表示加的，正的：the plus sign 加号，正号(符号“+”) 3 is a plus quantity. 3是正数。 ‖II. prep. 加，加上：Three plus five equals (is) eight (3+5=8).三加五等于八。He had wealth plus fame.他有利有名。This work needs experience plus care. 这工作需要经验加细心。