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....
There were low, muffled voices rising from the hallway.从走廊里隐约传来了低沉的说话声。I looked down the hallway to room number nine.我顺着走廊看了一眼9号房。She climbed the steps and proceeded along the upstairs hallway.她爬上楼梯，顺着楼上的走廊走去。...
IRS is a provider of classification, certification, verification, and advisory services.IRS为 客户提供船舶入级 、 发证 、 审核与咨询业务.The advisory group has outlived its usefulness.顾问组已失去了它的作用。Mr de Boer will leave for an advisory post w...