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。

The keyboard is too high， which makes your arms reach up， your shoulders hunch and your wrists bend down.
键盘放得太高，你把胳膊伸得老高，耸起肩膀弯着手腕。

Acting on the hunch, I dumped my meager life savings about 9, 000 into the rareearths sector, and waited for the payoff.
于是凭直觉, 我用我可怜的积蓄买了稀土股, 等待回报。

Hunch your torso, supporting your lower belly, and hold your breath for three to five seconds. Breathe out slowly. Repeat five times.
身体前倾，撑于腹部，屏息3秒，然后慢慢呼气。重复做五组。

'The question is whether by continuing to exercise the brain we can forestall the effects of (brain shrinkage),' he said.' My hunch is that we can.'
问题在于能否通过持续不断地锻炼大脑来防范大脑萎缩。我的直觉是我们能够做到这一点。'