- At the same time, slightly hunch your torso, using the muscles of your lower belly to support you.
与此同时,身体稍微前倾,下腹肌肉用力支撑上述动作。
- A spacewalking astronaut ventures beneath shuttle Discovery's belly and successfully completes an unprecedented emergency repair.
一位在太空行走的宇航员冒险置身于发现号航天飞机下腹,圆满地完成了一次史无前例的紧急维修任务。