常見例句用作形容詞 (adj.)Knowledge is weightless, a treasure you can always carry easily.知識是一種無重的、可以輕易攜帶的珍寶。Man is weightless in space.人在太空失重。We feel weightless when the elevator descends.當(dāng)電梯下降時,我們會感到失重。 返回 weightlessly