詹姆斯敦, 虽然真的是个很好的港口, 但太过沼泽化, 被蚊虫寄生, 且缺乏新鲜的水源.Jamestown , though it possessed a good harbor, was swampy, infested with mosquitoes, and lacked freshwater sources.并依此分析了三峡工程对土壤潜育化沼泽化的影响.The effect of the Three Gorge project o...
We classify most male singers as tenors, baritones and basses according to their registers.大部分男歌手根据音域分为男高音 、 中音和男低音.Oh, good! We need basses, and you can sing just as loudly as you like.噢, 很好! 我们需要低音.您唱的声音大小可以随意.Yes, the...