extractions n. 取出( extraction的复数形式 ); 摘要; 血统; 拔牙 释义与例句 n. 1. plural of extraction 相关短语 intact dilation and extractions comedo extractions root extractions Soxhlet extractions dilation and extractions cold extractions intact dilation and extraction root extraction 开方 comedo extraction Soxhlet extraction dilation and extraction cold extraction