小时候最喜欢帮母亲检查买回来的河蚌有没有坏的。检查的方法,用左手先拿住一个河蚌,再用右手捡起其他的河蚌,一个一个地敲敲看,如果河蚌发出的声音是结实的,就是新鲜的河蚌,如果敲的声音是虚的,有点沙哑,不管它闭得多紧,也是坏的河蚌。有一天,母亲又买回了一大包河蚌,我熟练地 When I was a child, I liked to help her mother check whether the river cricket bought was bad. To check, use your left hand to hold a river raft first, then use your right hand to pick up other river rafts and knock one by one. If the voice of the river raft is strong, it is a fresh river raft, if you knock It is imaginary, a bit hoarse, no matter how tight it is, it is also a bad river. One day, my mother bought back a large package of river crickets. I am skilled in