arm
US /ɑːrm/
UK /ɑːrm/

1.
手臂, 胳膊
each of the two upper limbs of the human body from the shoulder to the hand.
:
•
She held the baby in her arms.
她把婴儿抱在怀里。
•
He broke his arm playing football.
他踢足球时摔断了胳膊。
1.
武装
provide (a soldier, country, etc.) with weapons.
:
•
The government decided to arm the rebels.
政府决定武装叛军。
•
They need to arm themselves against potential threats.
他们需要武装自己以应对潜在威胁。