Her knuckles whiten as she clenches her hands harder.她的手握得越来越紧,指节都变白了。I must whiten my tennis shoes.我得把我的网球鞋刷白.Use: Used to wash, condense and whiten the pulp.用途: 适应于浆料的洗涤 、 浓缩和漂白....
Cairo has only thirteen square centimetres of green space for each inhabitant.开罗居民的人均绿地面积仅13平方厘米。This is a ruler graduated in both inches and centimetres.这是一把刻有英寸和厘米的尺子.This ruler has one scale in centimetres and another...