效率: productiveness; efficiency; productivity; workpiece ratio 短语和例子效率低 inefficient; 效率高 efficient; 提高效率 promote efficiency; 效率首屈一指 second to none in efficiency; 投资效率 the efficiency of investme
流动: 1.(液体或气体移动) flow; run; circulate 短语和例子河水缓缓地流动。 the river is flowing slowly. 空气流动。 the air is circulating.2.(经常变换位置) going from place to place; on the move; mobile 短语和例子流动电影放映队 mobile film
