SECTION 20

contend

verb /kənˈtend/

primitive

adjective /ˈprɪmətɪv/

noun

life

noun /laɪf/

exist

verb /ɪɡˈzɪst/

Mars

noun /mɑːz $ mɑːrz/

crew

noun /kruː/

verb

be busy doing

busy

adjective /ˈbɪzi/

verb

doing

noun /ˈduːɪŋ/

prepare for

prepare

verb /prɪˈpeə $ -ˈper/

voyage

noun /ˈvɔɪ-ɪdʒ/

verb

outer space

outer

adjective /ˈaʊtə $ -ər/

space

noun /speɪs/

verb

space

noun /speɪs/

verb

conduct

verb /kənˈdʌkt/

noun /ˈkɒndʌkt $ ˈkɑːn-/

a series of

series

noun /ˈsɪəriːz $ ˈsɪr-/

experiment

noun /ɪkˈsperəmənt/

verb /ɪkˈsperəment/

gravity

noun /ˈɡrævəti/

astronomer

noun /əˈstrɒnəmə $ əˈstrɑːnəmər/

assume

verb /əˈsjuːm $ əˈsuːm/

universe

noun /ˈjuːnəvɜːs $ -ɜːrs/

expand

verb /ɪkˈspænd/

infinitely

adverb /ˈɪnfənətli/

astronaut

noun /ˈæstrənɔːt $ -nɒːt, -nɑːt/

greet

verb /ɡriːt/

spontaneous

adjective /spɒnˈteɪniəs $ spɑːn-/

applause

noun /əˈplɔːz $ əˈplɒːz/

fund

noun /fʌnd/

verb

set ～ up

set

verb /set/

noun

adjective

with a view to doing

view

noun /vjuː/

verb

doing

noun /ˈduːɪŋ/

preserve

verb /prɪˈzɜːv $ -ɜːrv/

noun

endangered

adjective /ɪnˈdeɪndʒəd $ -ərd/

planet

noun /ˈplænɪt/

massive

adjective /ˈmæsɪv/

flood

verb /flʌd/

noun

paralyze

verb /ˈpærəlaɪz/

local

adjective /ˈləʊkəl $ ˈloʊ-/

noun

transportation

noun /ˌtrænspɔːˈteɪʃən $ -spər-/

network

noun /ˈnetwɜːk $ -wɜːrk/

verb

equator

noun /ɪˈkweɪtə $ -ər/

divide A into B

divide

verb /dəˈvaɪd/

noun

globe

noun /ɡləʊb $ ɡloʊb/

hemisphere

noun /ˈheməsfɪə $ -fɪr/

cruel

adjective /ˈkruːəl/

trap

noun /træp/

verb

fur

noun /fɜː $ fɜːr/

verb

organization

noun /ˌɔːɡənaɪˈzeɪʃən $ ˌɔːrɡənə-/

principal

adjective /ˈprɪnsəpəl/

noun

play a ～ role[part] in A

play

verb /pleɪ/

noun

role

noun /rəʊl $ roʊl/

part

noun /pɑːt $ pɑːrt/

verb

adverb

adjective

wildlife

noun /ˈwaɪldlaɪf/

conservation

noun /ˌkɒnsəˈveɪʃən $ ˌkɑːnsər-/

fragile

adjective /ˈfrædʒaɪl $ -dʒəl/

species

noun /ˈspiːʃiːz/

be on the verge of

verge

noun /vɜːdʒ $ vɜːrdʒ/

verb

extinction

noun /ɪkˈstɪŋkʃən/

prolonged

adjective /prəˈlɒŋd $ -ˈlɒːŋd/

drought

noun /draʊt/

severe

adjective /səˈvɪə $ -ˈvɪr/

do[cause] ～ damage to A

cause

verb /kɔːz $ kɒːz/

noun

damage

noun /ˈdæmɪdʒ/

verb

crop

noun /krɒp $ krɑːp/

verb

tropical rain forest

tropical

adjective /ˈtrɒpɪkəl $ ˈtrɑː-/

rain

noun /reɪn/

verb

forest

noun /ˈfɒrɪst $ ˈfɔː-, ˈfɑː-/

forest

noun /ˈfɒrɪst $ ˈfɔː-, ˈfɑː-/

disappear

verb /ˌdɪsəˈpɪə $ -ˈpɪr/

on a ～ scale

scale

noun /skeɪl/

verb

in part

part

noun /pɑːt $ pɑːrt/

verb

adverb

adjective

due to

due

adjective /djuː $ duː/

adverb

noun

acid rain

acid

noun /ˈæsɪd/

adjective

rain

noun /reɪn/

verb

it is said that

said

/sed/

adjective

global warming

global

adjective /ˈɡləʊbəl $ ˈɡloʊ-/

warming

adjective /ˈwɔːmɪŋ $ ˈwɔːr-/

noun

directly

adverb /dəˈrektli, daɪ-/

conjunction

relate A to [with] B

relate

verb /rɪˈleɪt/

carbon dioxide

carbon

noun /ˈkɑːbən $ ˈkɑːr-/

dioxide

noun /daɪˈɒksaɪd $ -ˈɑːk-/

emission

noun /ɪˈmɪʃən/

destruction

noun /dɪˈstrʌkʃən/

ozone

noun /ˈəʊzəʊn $ ˈoʊzoʊn/

layer

noun /ˈleɪə $ -ər/

verb

affect

verb /əˈfekt/

environment

noun /ɪnˈvaɪrənmənt/

committee

noun /kəˈmɪti/

call on A to do

call

verb /kɔːl $ kɒːl/

noun

noun /kɔːl $ kɒːl/

side by side

side

noun /saɪd/

adjective

verb

side

noun /saɪd/

adjective

verb

curb

verb /kɜːb $ kɜːrb/

noun

pollution

noun /pəˈluːʃən/

satellite

noun /ˈsætəlaɪt/

launch

verb /lɔːntʃ $ lɒːntʃ/

noun

orbit

verb /ˈɔːbɪt $ ˈɔːr-/

noun

monitor

verb /ˈmɒnɪtə $ ˈmɑːnɪtər/

noun

melt

verb /melt/

glacier

noun /ˈɡlæsiə $ ˈɡleɪʃər/