本文根据各种背景知识来综合整理相关的词汇，分别有地理篇、地质篇、气象篇、军事篇和动物学篇来分别作介绍。
托福词汇必备基础知识之地理篇如下：
insular
island
peninsula
islet
marine
maritime
moist
ledge
oasis
tide
ebb
continent
terrestrial
outskirt
region
endemic
cosmopolitan
subterrane
subterranean
cavern
flaw
cleft
crevice
gap
zone
equator
longitude
altitude
latitude
meridian
subsidiary
Antarctic
Antarctica
Arctic
coastland
hemisphere
contour
geography
horizon
lowland
plain
strait
channel
valley
volcano
plateau
basin
navigation
ranges
salinity
sediment
elevation
formation
geothermy
terrain
topography
tropical
tropics
temperate
熟记词汇拼写方式的同时，也要关注词汇的运用方式及相关背景知识，最后预祝大家取得良好的托福成绩!
