余: Ⅰ动词(剩下) remain; leave: 9减4 余 5。 nine minus four is five.; four from nine leaves five.; if you take (away) 4 from 9, 5 remains. 收支相抵, 尚余 50元。 after paying all the expenses, there is a balan
深度: 1.(深浅程度) degree of depth; depth 短语和例子河水的深度 the depth of the river; 通过疏浚保持河道的深度。 the depth of the river is maintained by dredging.2.(触及事物本质的程度) profundity; depth 短语和例子一篇表现出思想深度的文章 an articl
