少于不到英语

如果后面接可数名词就用fewer thanfewer than 20 people不到20人如果后面接的是不可数，就用less thanless than 20% 不到20%

看是可数还是不可数的前者用于可数名词复数后者用于不可数名词

below 和lower than都可以 千万不能用less than

Less than less than

less than

少于_释义：Less than,under,subter-短语：少于 less than;beinsufficient;benotenough只有少于 only less than不到少于 less than

below比较常用Earlier efforts involving less water helped cool the fuel to about 130 degrees Celsius (266 degrees Fahrenheit)—well below the 1, 000 degree-plus point at which they could become dangerous—but haven't completely stopped the reactor. WSJ: Tepco Postpones Daring Plan to Tame Nuclear Plant