n. 节约;节俭;储蓄金;挽救;
v. 拯救( save的现在分词);收集;保留;避免;
prep. 除…以外;
adj. 可取的,保存的;节省的,节约的;补偿的;救助的;
💡 sav节省+ing名词后缀 → 节省,节约
"electrical labour-saving devices around the home"
节省劳力的各种家用电器
近义:sparingness, thrift, economy, rescue, salvage, lean
反义:loss, misuse, spoilage, squandering, thriftlessness, wastage