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
收入: 1.(收进来的钱) income; revenue; receipts; gainings; earning; gross; proceeds; takings 短语和例子财政收入 state revenue; 纯收入 net income; 低收入 low income; 浮动收入 fluctuating income; 个人收入 personal income; 固定收