dig in基本解释
把 ... 埋在土里; 站稳脚跟; 开始吃; 努力干
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把 ... 埋在土里; 站稳脚跟; 开始吃; 努力干
【liuxuequn.com留学群】
"The troops dug in for the night"
"The food was placed on the table and the children pitched in"