(詳しい)調査、研究
antioxidant
molecule
termite
investigation
境界（線）；〔通例～ries〕限界
indifferent
trial
boundary
removal
(列車・客室などの仕切った)区画[部屋]
play down
compartment
unfamiliar
threat
を代わりに使う；（～の）代理をする（for）
hang on
pathway
strictly
substitute
雑種の；混成の
play out
errand
hybrid
multiple
特徴
characteristic
moisture
deflate
survival
決まり切った仕事；いつもの手順
likelihood
alongside
routine
automatic
優勢、刃、端
admit
edge
undergo
via
出来事，事件；紛争
originate
eligible
incident
spring from
（～の）手がかり（to/about）；（パズルの）ヒント
venue
inhale
clue
regard
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