笑寒天下
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%
李出于蓝
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
桑珠欢穆
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