c. 1600, "to descend, sink," from lower (adj.), from Middle English lahghere (c. 1200), comparative of low (adj.). Transitive meaning "to let down, to cause to descend" attested from 1650s. Related: Lowered; lowering. In the sense "to cause to descend" the simple verb low (Middle English lahghenn, c. 1200) was in use into the 18c.
lower (v.2)
"to look dark and threatening," also lour, Middle English louren, luren "to frown" (early 13c.), "to lurk" (mid-15c.), from Old English *luran or from its cognates, Middle Low German luren, Middle Dutch loeren "lie in wait." Form perhaps assimilated to lower (1). Related: Lowered; lowering.
lower (adj.)
c. 1200, lahre, comparative of lah (see low (adj.)).
权威例句
1. I felt a sharp pain in my lower back.
我感觉到后腰一阵剧痛。
2. Basal metabolism is much lower for creatures in cold water.
冷水中生物的基础代谢速度要低很多。
3. Companies are moving jobs to towns with a lower cost of living.
各公司正在把工作岗位转移至生活费用较低的城镇。
4. He comes from a completely uncultured, lower middle-class family.
他来自中下阶层一个根本没什么文化的家庭。
5. Many businesses are cutting back by employing lower-paid part-time workers.