part of speech
damage
noun and verb
损坏，伤害，破坏
modals for obligation
have to, need to, must
to express contrast:但是
but, yet, however
物种
species
常见的，普通的
common
extinction
noun
灭绝
modals for prohibition
mustn't
on the contrary
natural
disease
survival
noun
生存，幸存，存活
modals for advice
should, could, might
to express contrast: 尽管，即使，虽然
even though
因为，由于
due to, because of, as a result of
对……是致命的（词组）
be fatal to
analysis
noun
分析
ought to
modals for advice
the different usage of "but/yet" and "however"
however,
die out
适应新情况
adapt to new situations
endanger
verb
危及，使……濒危
don't need to
habitat destruction
青少年很依赖手机。
Teenagers are attached to phones.