| 单词 | 凝固剂 |
| 例句 | DEFINITIVE EXAMPLES 权威例句Biologists have learned that leeches secrete an anticoagulant to keep blood from clotting as they suck it from their victims.生物学家发现水蛭在从受害者身上吸血时会分泌出一种抗凝固剂以防止血液凝固。剑桥国际 |
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