lightweight adj. 轻量级的；无足轻重的；比较轻的
n. 轻量级拳击运动员；无足轻重的人或物；轻便
middleweight n. 中量级选手
welterweight n. 次中量级拳击手；次中量级摔交运动员
liveweightn. 活重（牲畜被宰杀前的重量）
网络短语:
liveweight liveweight before slaughtering 宰前活重
liveweight estimating 活重估测
metabolic liveweight 代谢体种
last liveweight 最终活重
liveweight increase 增重
Lamb liveweight 羔羊活重
liveweight growth 增重
liveweight gain 体增重；增重试验
liveweight increment 增重
英语例句库
An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen. 要是完全依靠三叶草的氮，要在夏季获得每公顷草场900公斤以上的活体增重，是不可能的。
Grazed on the shrubs, average liveweight gain of crossbred sheep increased range from 3.4％ to 32.0％, wool production increased range from 20.0K to 79.3％ and reproduction rates increased significantly. 灌丛地放牧，杂交绵羊体重平均增加3．4％一32．0％，羊毛增加20．0％～79．3％，产羔率也有较大提高。