Level 6 · word 13,939 of 20,000

biceps

/ˈbaɪˌseps/ American
  • n. 二头肌
Definition
  • n. the large muscle at the front of the upper arm
Example
He flexed his biceps proudly after months at the gym.
健身几个月后,他自豪地秀出了自己的二头肌。