The guidelines recommend differing amounts of weight gain depending on how much a woman weighed before pregnancy, as measured by a combination of her height and weight called the body-mass index.
指南推荐体重增加量取决于妇女怀孕以前的体重指数，它由身高和体重综合而来。
2
Holds 5 gallons of ice and dispenses exact amounts of shaved ice byweight for a perfect drink every time.
持有5加仑的冰和分配具体数额的刨冰，以重量计为一个完美的饮料每次。
3
A three repeating unit polycarboxylate dispersant is included in the mixture in amounts from about 0.2% to about 10% byweight.