With the advent of extremely light silicone impregnated nylon, these tarps weigh in at less than a pound, are cheap, and are easy to make.
随着超轻涂硅尼龙的出现，这类篷布的重量可以控制在一磅以内，而且价格便宜，制作也很简单。
The first ball was a clunky 700-pound, iron-and-wood number and was adorned with just 100 25-watt light bulbs. In 1920, a spiffy new 400-pound ball replaced the original.
第一个新年球是一个700磅重的铁木球，还会发出沉闷的金属声，同时上面装饰了100个25瓦的电灯泡。而到了1920年，一个400磅的，漂亮的新球替换掉了最原先的那个球。
The first ball was a clunky 700-pound, iron-and-wood number and was adorned with just 100 25-watt light bulbs. In 1920, a spiffy new 400-pound ball replaced the original.
第一个新年球是一个700磅重的铁木球，还会发出沉闷的金属声，同时上面装饰了100个25瓦的电灯泡。而到了1920年，一个400磅的，漂亮的新球替换掉了最原先的那个球。
应用推荐