SAT閱讀中的文化詞條
2014-12-18 15:14 | 編輯：川外外語培訓中心 來自：未知導讀：1，Sonar Sonar is a technique that uses sound propagation (usually underwater) to navigate, communicate or to detect other vessels. Sonar may be used as a means of acoustic location. The term sonar is also used for the equipment used to ge
1，Sonar
Sonar is a technique that uses sound propagation (usually underwater) to navigate, communicate or to detect other vessels. Sonar may be used as a means of acoustic location. The term sonar is also used for the equipment used to generate and receive the sound. The frequencies used in sonar systems vary from infrasonic to ultrasonic.
聲納一種運用水下聲響傳達來導航，聯絡或偵辦其他船舶的技能。它可用于聲響定位。這個術語還指發生和接納聲波的設備。聲納所運用的頻率從次聲到超聲不等。
2，Dolphins
Dolphins are marine mammals that are closely related to whales and porpoises. There are almost forty species of dolphin in seventeen genera. They vary in size from 1.2 meters and 40 kilograms, up to 9.5 m and 10 ton. They are found worldwide, mostly in the shallower seas of the continental shelves, and are carnivores, mostly eating fish and squid. Dolphins are considered to be amongst the most intelligent of animals and their often friendly appearance and seemingly playful attitude have made them popular in human culture.
海豚一種與鯨和鈍吻海豚很挨近的海洋哺乳動物，包含17屬近40種。海豚體型區別大，從身長1.2米體重40千克到身長9.5米體重10噸不等。海豚遍及世界各地，首要在淺海大陸架活動。屬食肉動物，首要食物是魚類和魷魚。海豚被認為是自然界智商最高的動物之一。因其友善的外表和形似生動的天分，被看作人類的老友。
更多關于SAT學習以及考試的信息，請關注四川外國語大學SAT培訓網站：http://www.bdsmblowjob.com/sat/
更多資訊請訪問 》》》川外外語培訓中心
雅思培訓課程
川外精品托福課程
英澳名校菁英計劃
川外雅思六人精品班
雅思考試成績什么時
對于那些已經參加過雅思考試的同學來說，
- [焦點] 攜帶全球勝任力 與2025一起新出發
- [焦點] 雅思6.5分：邁向國際舞臺的堅實基
- [焦點] 雅思備考黃金期揭秘：幾個月最合適
- [焦點] 揭秘雅思寫作高分秘籍：素材積累與
- [焦點] 寫作秘籍大放送！雅思寫作提分，我
- [焦點] 雅思寫作逆襲指南：解鎖小作文，告
- [焦點] 官方秘籍：如何擺脫“雅思緊張體質
- [焦點] 雅思聽力高分秘籍：避開陷阱，輕松
- [焦點] 雅思破7全攻略：不收藏后悔一年！
- [焦點] 8月雅思高分秘籍大公開！你準備好
