a swap meet for collectors of Star Trek memorabilia《星际迷航》纪念品收藏者交流会He is on a trek through the South Gobi desert.他正徒步穿越南戈壁沙漠。The World Trade Centre is a bit of a trek from Soho, but it's worth it.从苏豪区到世贸中心走起来是有点远，但还是...
New guns firing high explosive shells were incorporated into the battlefield.发射高爆弹的新型大炮在战场上得到了使用。The two opposing armies faced each other across the battlefield.敌对两军在战场上严阵对峙。The battlefield was full of craters made by ex...
Many of the indigenous insects are needed to pollinate the local plants.需要很多种土生昆虫给当地植物授粉。They contract their bees out to farmers pollinate their crops.他们还和农家作好约定,然后把蜜蜂送去帮农家的作物授粉.Bees pollinate the flowers so the fruits o...