编辑：share 来源： 美联出国考试 发布时间：2016-12-02
Paragraph 7: One potential problem is that opening the mouth to breathe detracts from the streamlining of these fishes and tends to slow them down. Some species of tuna have specialized grooves in their tongue. It is thought that these grooves help to channel water through the mouth and out the gill slits, thereby reducing water resistance. 【OG- Swimming Machines】
8. The word “channel” in the passage is closest in meaning to
1.channel [ˈtʃænl] v.引导；开导——channel [ˈtʃænl] n.频道；渠道；途径
TOEFL例句：Two types of flow features are seen: runoff channels and outflow channels.——TPO-8: Running Water on Mars
GRE 例句：Arousal is at first general, with a flooding of impulses in the brain stem; then gradually the activation is channeled.——GRE No.4-2, Section A
英 [ˈtʃænl] 美 [ˈtʃænəl]
1).N-COUNT; N-IN-NAMES 电视台;电视频道
A channel is a television station.
...the only serious current affairs programme on either channel.两个频道唯一的严肃时事节目
A channel is a band of radio waves on which radio messages can be sent and received.
If you do something through a particular channel, or particular channels, that is the system or organization that you use to achieve your aims or to communicate.
The government will surely use the diplomatic channels available...政府肯定会利用各种现有的外交渠道。
If you channel money or resources into something, you arrange for them to be used for that thing, rather than for a wider range of things.
Jacques Delors wants a system set up to channel funds to the poor countries...雅克·德洛尔希望建立一套体系，将资金专门用于援助贫穷的国家。
If you channel your energies or emotions into something, you concentrate on or do that one thing, rather than a range of things.
Stephen is channelling his energies into a novel called Blue.斯蒂芬正集中精力写一部名为《蓝色》的小说。
A channel is a passage along which water flows.
Keep the drainage channel clear.保持下水道畅通。
A channel is a route used by boats.
The Channel or the English Channel is the narrow area of water between England and France.