weight基本解释
n,[物]重量，重力；负担；[计量]砝码；重要性,同近
The average weight of a baby at birth is just over seven pounds..婴儿的平均出生体重是七磅多一点。
重量，重力；负担；砝码；重要性英释nnhow heavy something is when you measure it
light weight,轻量；空载排水量；车辆自重.短语
