二头肌

例句：

1. 1. The gymnast lifted the bar with great strength and precision.
   体操运动员用了很大的力量和精确度举起了杠铃。
2. 2. The athlete's biceps were visible as he stretched his arm forward.
   这位运动员的二头肌在伸展手臂时变得明显可见。
3. 3. The weightlifter was able to lift the barbell with ease, demonstrating the power of his biceps.
   举重运动员轻松地举起杠铃，展示了他二头肌的力量。