酸、酸性の
bypass
acid rain
break in on
moss
フッ化物
strategy
fluoride
wheat
metabolism
石油、鉱油
petroleum
nitrogen
rubbish
dissolve
樹脂
buy out
resin
copper
settle in
硫酸
phonetic
sulfuric acid
water down
back down
亜鉛
organ
single out
zinc
pageant
酸化防止剤
antioxidant
unperturbed
slaughter
garment
長方形
rectangle
reference
wash down
canine
正方形(の)
square
pick through
flood
immune
円すい
hold down
cone
participation
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