Your body should be straight up in the water; don't lean forward much or hunch over. Keep your shoulders back and look straight ahead.
你的身体在水中应该保持正直,挺胸、目视前方,不要过度前倾或伛偻。
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,你必须把胳膊伸得老高,耸起肩膀弯着手腕。
In his now-famous experiment, he sent a kite with a metal key tied to the string up into a thunderstorm. When he saw sparks leap from the key, his hunch about lightning was confirmed.
本杰明·富兰克林在1752年发现闪电实际上就是电,在他那个著名的实验中,富兰克林将一只栓有金属钥匙的风筝放飞到雷暴之中,当他看见钥匙上火花四溅时,他关于闪电的猜想得到了证实。
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