Labour-saving
n. 节省劳动力
📖 牛津释义
labour-saving
adj [usu attrib 通常作定语]
designed to reduce the amount of work or effort needed to do sth 省力的; 节省劳力的
labour-saving devices, eg a lawn-mower, a washing-machine 节省劳力的机械（如刈草机、 洗衣机）.
🧩 词语组成解析
labour
['leibə]
n. 劳动;劳工;分娩，临产阵痛;工作，活计;
vi. 劳动，努力;艰难行进;分娩，产前阵痛;使疲倦;
saving
['sevɪŋ]
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
🗣️ 情景例句
How much will it cost?
需要多少钱？
If the ox falls,whet your knife.
牛一倒，快磨刀；人遭难，众人踩。
They were also quite sure that a cigarette end did not start the fire.
他们还十分肯定火灾也不是由烟头引起的。