complementvt.相辅相成n.补足物；补语；余角complement of one's游客数量complement operator求补算符Complement Factor D补体因子Dcomplement of two's跌价complement activity补体活性complement antibody补体结合抗体(免)complement sentence后补句complement notation补码记数法, 补码表示法complement of ten's信息混入Complement factor B补体因子B