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。
It can be sewn into curtain hems to weight the curtain and so allow it to hang better.
可以把它缝在窗帘的摺边里以增加窗帘的重量，使之更有下垂感。
n. [物]重量，重力；负担；[计量]砝码；重要性
significance、
burden、
stress、
strain、
consequence