An electric pad serves the same purpose as a hot water bag. 伯莎M.克拉克.科学通论.
Ordinarily a combination of products best serves the ends of the physician. 伯莎M.克拉克.科学通论.
There was, if my memory serves me, but one small steamer to transport troops and baggage when the 4th infantry arrived. 尤利西斯·格兰特.U．S．格兰特的个人回忆录.
A cheap pump is then attached to the upper end of the drill pipe and serves to raise the water. 伯莎M.克拉克.科学通论.
In Europe, corn is the principal produce of land, which serves immediately for human food. 亚当·斯密.国富论.
Another and cheaper product experimented with is the pith of the cornstalk, which is much lighter than the cocoanut fiber and serves the same purpose. 佚名.神奇的知识之书.
This, if my memory serves me correctly, broke through the only pontoon bridge we had in all our march across the peninsula. 尤利西斯·格兰特.U．S．格兰特的个人回忆录.
But this beauty serves merely as a guide to birds and beasts, in order that the fruit may be devoured and the matured seeds disseminated. 查尔斯·达尔文.物种起源.
This organization of murder as a sport and show serves to measure the great gap in moral standards between the Roman community and our own. 赫伯特·乔治·威尔斯.世界史纲.
First, there is the image of the waves, which serves for a sort of scheme or plan of the book. 柏拉图.理想国.
It occupies a particular place in life; it serves its own end, which cannot be supplied by a substitute. 约翰·杜威.民主与教育.
He loves the idol he serves, and prays day and night that his frenzy may be fed, and that the Ox-eyed may smile on her votary. 夏洛蒂·勃朗特.雪莉.
To unite and interlace the fibres the wire cloth belt is given a lateral oscillating or shaking movement, which serves to interlock the fibres. Edward W. Byrn.十九世纪发明进展.
I know several women, who have made most excellent wives after a slip or two, which I assure you madam often serves to fortify our virtue afterwards. 哈里特·威尔逊.哈里特·威尔逊回忆录.
For example, New York City serves as the center of the garment-making industry for the entire country, there being fully a quarter of a million garment-trade workers in the Greater City. 佚名.神奇的知识之书.
It is true that _P_, the load raised, will be less than _W_, the force exerted, but if speed is our aim, this machine serves our purpose admirably. 伯莎M.克拉克.科学通论.
It serves him right for having a drunken coachman. 哈里特·威尔逊.哈里特·威尔逊回忆录.
There is furnished also a reflector which is so designed that it serves equally well as a cover for either dish and makes a very choice griddle for baking hot cakes. 佚名.神奇的知识之书.
All whom God takes into the kingdom, he taught, God serves alike; there is no distinction in his treatment, because there is no measure to his bounty. 赫伯特·乔治·威尔斯.世界史纲.
The elevated mountain lake serves as a source of water. 伯莎M.克拉克.科学通论.
No man serves him but me. 查尔斯·狄更斯.匹克威克外传.
He stopped, smiled darkly, and added, in a low, vindictive tone, 'It serves him right! 查尔斯·狄更斯.匹克威克外传.
An earthenware jar, _a_, serves to hold the solution of copper, which should be maintained in a saturated state by the addition of crystals of the salt. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
It serves for something finally, Sordo said to him in his deep, throaty voice. 欧内斯特·海明威.丧钟为谁而鸣.
Fighting stock serves best for that purpose economically. 欧内斯特·海明威.丧钟为谁而鸣.
As matter of fact, science serves all these purposes, and it would be an arbitrary task to try to fix upon one of them as its real end. 约翰·杜威.民主与教育.
He suggests that this serves not to form an image, but only to concentrate the luminous rays and render their perception more easy. 查尔斯·达尔文.物种起源.
Finally comes one of Tycho's hunting dogs--very faithful and sagacious; he serves here as a hieroglyph of his master's nobility as well as of sagacity and fidelity. 李贝.西洋科学史.
Your doctrine, in short, depends on your purpose: a theory by itself is neither moral nor immoral, its value is conditioned by the purpose it serves. 沃尔特·李普曼.政治序论.
If an inclined plane is pushed underneath or within an object, it serves as a wedge. 伯莎M.克拉克.科学通论.