基本解释[经济学]竹筛英汉例句双语例句He is sitting in the courtyard, sifting rice with a bamboo sieve.他坐在院子里，正在用箩筛筛米。bamboo sieve更多例句词组短语短语bamboo o sieve 竹筛bamboo sieve更多词组专业释义经济学竹筛