1.Was it a) 280 kg, b) 480 kg, or c) 680 kg?

是 A. 280千克，B.480千克，还是 C. 680千克？

2.I reckoned it was a) 280 kg.

我猜测是a) 280千克。

3.A tonne of rice produces around 200kg of husks and those, in turn, yield 40kg of silica.

一吨水稻可以产生约200公斤稻壳，这些稻壳又可以产生40公斤硅土。

4.The production of a single cotton tote emits an estimated 272 kg of carbon dioxide.

每生产一只棉质手提包大约会排放 272 公斤二氧化碳。

5.Because inside, there are 100kg of plutonium.

因为石棺内有100公斤钸。

6.And if you weigh less than 88.3kg and 74.7kg, then you're below average.

果，男性体重于88.3kg，女性于74.7kg，那体重就是在平均值以下。

7.We live on selling about 5kg of rice.

我们靠卖约5公斤熟米饭为生。

8.Worldwide, however, humans actually weigh 62 kg on average.

然而，在世界范围内，人类平均体重为62kg。

9.I've lost 7 kg in the last two months.

这两个月我已经减掉了7公斤。

10.He usually eats Angola straw, corn, typically 35kg per day.

他通常吃安哥拉稻草、玉米，每天大约 35 公斤。

11.Typical weight loss after a year is barely over 5 kg.

一般一年减重不超过5公斤。

12.In that time, we've collected and saved 1.3kg of dust.

在这期间，我们收集并保存了 1.3 公斤灰尘。

13.After two months diligently following the program, Yao lost about 14 kg.

经过两个月努力，他减掉了14公斤。

14.A Gremlin drone weighs 680kg and has a wingspan of nearly 3.5 metres.

一架灵无人机重680公斤，翼展近3.5米。

15.She had no jaw weighed only 1.3 kg and couldn't eat or drink.

她没有下巴，体重只有1.3公斤，不能吃也不能喝。

16.The Finns on average get through an amazing 12kg of coffee a year, each.

芬兰人平均每人每年要消费12千克咖啡，很惊人。

17.It costs about $10,000 to transport 0.45kg of materials from Earth to the Moon.

把0.45公斤材料从地球运到月球大约需要1万美元。

18.Okay, so he said that it might take me two months to lose ten kgs.

他说可能需要两个月才能减掉10公斤。

19.This means if you weigh 70kg you would require 14,000mg of caffeine to overdose.

也就是说，果体重是70公斤，那14000毫克咖啡因就算过量。

20.Zuckerberg, 39, has a height of 1.71 meters (5ft 7ins) and weighs about 70kg (11st).

现年 39 岁扎克伯格身高 1.71 米，体重 70 公斤。