extraction
- n. 取出；抽出；拔出；抽出物；出身
英英释意
- 1. the process of obtaining something from a mixture or compound by chemical or physical or mechanical means
- 2. properties attributable to your ancestry;
- "he comes from good origins"
- 3. the act of pulling out (as a tooth);
- "the dentist gave her a local anesthetic prior to the extraction"