1.(reduce)+ rate, level, price, cost, temperature减少；降低
There is some evidence that sunlight is effective in lowering blood pressure and cholesterol.有证据表明阳光有降低血压和胆固醇的效果。
Bake the cake in a hot oven for 10 minutes, then lower the temperature to 180ºC.把蛋糕放到热烤箱里烘焙10分钟, 然后把烤箱温度调低到180度。
The Central Bank has lowered interest rates.央行下调了利率。
2.(move down)+ object把…移低；使降下
She slowly lowered the knife.她缓缓地把刀放下。
3.(make less loud)+ volume, voice使变小；使减弱；使降低
Lee lowered the volume on the TV.李调低了电视的音量。
4.(reduce pitch of)降低…的音高
I can sing it if you lower it about a major third.如果你降三个音高的话, 我就能唱这首歌了。
5.to lower yourself
(stoop)自降身份
Don't lower yourself, don't be the way they are.不要自贬身份。不要学他们那样。