Quadruple

(noun.) a quantity that is four times as great as another.

(verb.) increase fourfold; 'His stock earning quadrupled'.

(adj.) four times as great or many; 'a fourfold increase in the dosage' .

(adj.) having four units or components; 'quadruple rhythm has four beats per measure'; 'quadruplex wire' .

整理:奥蒂斯

• You are strongly guarded and a quadruple force patrols the sky. 埃德加·赖斯·巴勒斯. 火星公主.
• The quadruple press of 1887 turned out eight-page papers at a running speed of 18,000 per hour, these being cut, pasted and folded ready for the carrier or the mails. 佚名. 神奇的知识之书.
• Quadruple the air patrol, and let every man who leaves the city by air or ground be subjected to the closest scrutiny. 埃德加·赖斯·巴勒斯. 火星公主.
• Why does it not double or quadruple its numbers? 查尔斯·达尔文. 物种起源.
• Men learnt so to fertilize the soil as to produce quadruple and quintuple the crops got from the same area in the seventeenth century. 赫伯特·乔治·威尔斯. 世界史纲.
• A fine example is shown in Fig. 92, which represents the quadruple expansion engines of the Deutschland, the new steamer of the Hamburg-American Line. Edward W. Byrn. 十九世纪发明进展.
• One of the latest quadruple stereotype perfecting presses made by Hoe & Co. 威廉·亨利·杜利特. 世纪发明.
• The production of printed sheets per hour over the hand-press was at once quadrupled, and very shortly 1800 sheets per hour were printed. 威廉·亨利·杜利特. 世纪发明.
• He had always doubled, and sometimes quadrupled, his fees. 查尔斯·狄更斯. 荒凉山庄.
• Their world had suddenly quadrupled. 赫伯特·乔治·威尔斯. 世界史纲.
• With such perfect freedom of movement, the spindle at high speed could find its own center of revolution, and an indefinitely high speed and quadrupled efficiency were attained. Edward W. Byrn. 十九世纪发明进展.
• Now the number of machines and pairs of boots and shoes has been quadrupled. 威廉·亨利·杜利特. 世纪发明.

整理:露丝