検索内容:
helmet
Please always wear a helmet when riding a bicycle.
benefit (be or provide a benefit to)
This app provides useful information for everyday life.
head (part of the body) / head (topmost or leading part)
He suffered a deep wound to his head.
useless, deadhead, good-for-nothing, a piece of shit / (politics) lame duck
His advice was completely useless.
防護: protection
This helmet is useful for head protection.
(American football, Canadian football) a football helmet
My new football helmet is very sturdy.
brain trauma
He suffered a brain trauma in a traffic accident.
protection
This protective suit is for protecting oneself from radiation.
to insulate, to protect
This house uses insulation to protect against the cold of winter.
氓: (on'yomi, only used in compounds) people, subjects
He is walking the path of villainy.
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