noun🔗Share回填材料，填方。 The material that has been used to refill an excavation."After the plumber fixed the leaky pipe, he piled the backfill neatly beside the hole, ready to smooth it out. "水管工修好漏水的水管后，他把回填土整齐地堆在洞旁边，准备铺平。materialbuildingtechnicalgeologyChat with AIVocabulary GamePractice Reading
noun🔗Share候补人员，后备力量。 Reserve support personnel."The company keeps a backfill of trained employees ready to cover for vacations and sick leave. "公司保留一批训练有素的候补人员，以应对休假和病假时的人员空缺。jobmilitarybusinessorganizationChat with AIVocabulary GamePractice Reading
noun🔗Share回填物，替代品。 That which backfills; a replacement."The backfill for the missing textbooks was a new shipment from the publisher. "用来替代丢失课本的是出版社新发来的一批货。jobbusinessworkChat with AIVocabulary GamePractice Reading
noun🔗Share背景故事，补充说明 Material in a story set earlier in the past, providing history or context for the current action."The author used lengthy backfill about the protagonist's childhood to explain his current mistrust of others. "作者用了大量的背景故事补充说明主人公的童年经历，来解释他现在为什么不信任别人。storymedialanguagewritingliteratureChat with AIVocabulary GamePractice Reading
verb🔗Share回填，填埋 To refill a hole with the material dug out of it."After the plumber fixed the leaky pipe, he had to backfill the hole in the yard with the dirt he had removed. "水管工修好漏水的水管后，他必须把挖出来的土回填到院子里的坑里。materialgeologybuildingarchitectureagricultureChat with AIVocabulary GamePractice Reading
verb🔗Share回填，填埋。 To refill an excavation unit to restore the former ground surface and/or to preserve the unit and make it recognizable as having been excavated."After the plumbers finished repairing the broken pipe, they had to backfill the hole in the yard with dirt. "水管工修理好破损的水管后，他们必须用土回填院子里的坑，把地面恢复原样。archaeologygeologybuildingtechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share支援， 候补。 To provide reserve support.""When Sarah is on vacation, John will backfill her responsibilities so the team doesn't fall behind." "莎拉度假时，约翰会候补支援她的工作，这样团队就不会落后了。jobbusinessmilitaryChat with AIVocabulary GamePractice Reading
verb🔗Share补充，补给。 To replenish or restock due to attrition or loss."After Maria left the team, the manager had to backfill her position with a new hire. "玛丽亚离开团队后，经理不得不招聘新人来填补她的职位空缺。businessjobworkorganizationChat with AIVocabulary GamePractice Reading
