1·The average citizen in the developed world uses over 155kg of paper per year.
发达国家中普通公民每年的用纸量超过155公斤。
—— 《牛津词典》
2·Each of them weighs 56 kg!
它们每个重达56公斤！
3·A large tree might make around 100kg of O2 per year.
一棵大树每年可以产生大约100公斤的氧气。
4·Tigers are the largest of the Big Cats weighing up to 300kg!
老虎是大型猫科动物中最大的，重达300公斤！
5·A snowball currently weighs 1.5 kg, compared to a normal hedgehog who weighs about 500 grams.
一个雪球目前体重1.5公斤，相比之下一只正常刺猬体重约为500克。
1·The missile can carry a 1,000kg payload up to 1,300 miles.
这枚导弹可以承载1000千克的炸药量运行最远1300英里。
—— 《柯林斯英汉双解大词典》
2·By the way, it is important not to forget that the balloon weighs about 2 kg and this weight has also to be lifted.
顺便说一下，不要忘记气球本身的重量，气球重2千克，这部分重量也是要被提升的。
3·GE says it has shaved 136kg, or 3%, off the weight of an engine that propels the Boeing 787 using a ceramic-composites fan case and blade, a world first.
通用电气表示，他们成功地将发动机重量减轻了3%，约136千克，此举促使波音787世界首次使用合成陶瓷风扇机箱和涡轮叶片。
4·But with the brain only weighing in at 3 pounds (1.4 kg), you could be forgiven for wondering if neuroscientists are just big slackers.
但是认识到大脑的重量仅有3磅(1.4千克)，你就可以原谅大家的疑虑，是不是脑神经科学家太懒惰了。
5·To win, a robot had to excavate 150kg (330lb) of simulated lunar soil and move it into a container in less than half an hour.
要赢得比赛，参赛机器人必须挖掘150千克（330磅 ）模拟月球土壤，并在半小时内装入一个容器。