Brazil has felt vulnerable to soaring oil prices and to supply disruptions.巴西感到经受不了油价飞涨和供应中断的威胁.While these disruptions in life are not easy, they are necessary.即使这些碎片在生命里是很不容易的, 但却是必须的.Effects of machine failure , set -...
Are you serious in meditating a journey to Egypt?你是在认真考虑到埃及旅行一次 吧 ?He sat there meditating upon his misfortunes.他坐在那里沉思他的不幸遭遇.She sat there meditating upon her bitter past.她坐在那儿默想过去的痛苦....
Chlorides are considered as compounds consisting of one element combined with chlorine.氯化物被认为是一种元素与氯化合组成的化合物.Most nonmetal chlorides are decomposed by water.大多数非金属氯化物都可以被水分解.Direct and some metal composition chlorides of...