Declaration of Independence的音标：Declaration of Independence的英式发音音标为：[ˌdeklə'reiʃən ɔv ˌɪndi'pendəns]Declaration of Independence的美式发音音标为：[ˌdɛklə'reʃən ʌv ˌɪndɪ'pɛndəns]...
水银的密度比水大得多.Mercury has a much greater density than water.水银的储存量并不丰富,分布也不广泛.Mercury is by no means, abundant or widely distributed.即使在室温下,水银的发挥性也很显著.Mercury is appreciably volatile even at room temperature....