Unit 3 Under the sea 1.witness(vt.) 当场见到;目击(n.) 目击者;证人;证据2.opposite(prep.) 在……对面 (adj.) 相对的;相反的3.pause(vi.& n.) 暂停;中止4.flee(vi.) 逃避;逃跑 (vt.) 逃离5.drag(vt.) 拖;拉;扯6.urge(vt.) 催促;极力主张;驱策7.target(n.) 目标;靶;受批评的对象8.vivid(adj.) 生动的;鲜明的;鲜艳的9.neat(adj.) <口>好的;整齐的;匀称的10.annual(adj.)每年地;按年度计算的;(n.)年刊;年鉴→annually(adv.)每年地;年度地→anniversary(n.)周年纪念11.accommodation(n.)住所;住宿→accommodate(v.)提供住宿12.abandon(vt.)放弃;遗弃;抛弃→abandoned(adj.)放纵的;堕落的13.reflect(vi.)思考;(vt.)映射;反射;思考→reflection(n.)映像;思考;反映14.aware(adj.)意识到的;知道的→awareness(n.)意识15.scare(vt.)恐吓;(vi.)受惊吓→scared(adj.)恐惧的;害怕的→scary(adj.)引起恐慌的1.in_the_meantime 在此期间;与此同时2.be/become_aware_of 对……知道、明白;意识到……3.(be)_scared_to_death 吓死了4.draw_near 靠近5.hold_up 阻挡6.help_(...)_out 帮助(某人)摆脱困境或危难7.upside_down 上下翻转8.sort_out 整理;分类;收拾9.aim_at 瞄准10.be_about_to_do_sth. 正要做某事1.It was a time when the killer whales,or “killers” as they were then called,helped the whalers catch the baleen whales that were on their annual migration.1那个时期,虎鲸(当时被称为“杀手”)帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。名师指津:It was/is a time when...曾经一度(那时),when 引导的是定语从句,修饰time。例句仿写:她曾经无法忍受病痛,想结束自己的生命。_It_was_once_a_time_when she could not bear the pain and wanted to kill herself.2.The water was quite shallow but where the reef ended,there was a steep drop to the sandy ocean floor.海水是浅的,但是到了珊瑚礁的尽头,就有一个陡坡,一直下降到满是沙子的海底。名师指津:where 引导地点状语从句。例句仿写:雨水和阳光充足的地方植物生长的好。The plants grow well where_there_is_plenty_of_rain_and_sun.3.This was the call that announced there was about to b...