Unit4decrease1)n
theprocessofdecreasing减少;减弱;减轻Therehasbeenasteadydecreaseinthenumberofvisitors
游客的数量持续下降
Tomakesth
becomeless减少;降低Wehavedecreasedourdemandforpapers
Tobecomeless变少Thenumberofwhaleshasdecreasedsharplythisyear
今年鲸鱼的数量急剧下降
dieout(家族,物种等)灭亡;风俗、做法等(消失),过时在过去的几十年里,许多动物灭绝了
decade(十年)Manyanimalshavediedoutinthepastdecades
Thefireisdyingdown
Themembersofthefamilyalldiedoff
Thenoiseofthecardiedawayinthedistance
火焰,风暴,疼痛逐渐消失(家族,种族)等相继死去(声音,光线,风等)渐弱,渐熄endangervt
使…遭受危害Smokingendangershealth
indanger处于危险之中Thepatientisindanger
beindangerof有…危险beoutofdanger脱离危险endangeredadj
濒危的dangerous危险的reliefn
afeelingofhappinessthatsth
unpleasanthasnothappenedorhasended轻松感,欣慰感2
turnround:转过去,围绕…旋转Theearthturnsaroundthesun
turnon/off打开/关掉turnup/down开大/减弱turnto向…求助turnagainst反对turnout关闭,生产turnover