There is a plentiful supply of arms on the black market.黑市上有大量武器出售。I slowly zipped and locked the heavy black nylon bags.我慢慢地把那些沉重的黑色尼龙袋的拉链拉上并锁好。She was demurely dressed in a black woollen suit.她穿了一身黑色羊毛套装，显得很庄重。...
蟋蟀发出了它们持久的,单调而有意思的调子.The crickets stridulated their everlasting monotonous meaningful note.蟋蟀叫得更欢了。The crickets chirped faster and louder.我们可以听到仲夏时节蟋蟀的尖叫声.We could hear the shrill of the midsummer cricket....