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
His wife has himi under her thumb.
他完全受他妻子控制。
Storms make trees take deeper roots.
风暴使树木深深扎根。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，