The adhensive forces were found to be related to the metal to oxygen chemical - bond energy.已经发现,粘着力与金属-氧的化学结合能有关.Chemical bond mainly includes electrovalent bonds , covalent bonds, and metalic bonds.化学键主要有离子键 、 共价键 、 金属...
An unruly mob broke down police barricades and stormed the courtroom.一伙暴徒捣毁了警察设置的路障冲进法庭。Bottles and cans were hurled on the terraces by the mob.暴徒向看台扔瓶子和罐子。They have been exercising what amounts to mob rule.他们一直在实行相当于暴政的...
南希紧抓不放，不顾双肩疼痛。Despite her aching shoulders, Nancy held on.他紧抓她的手松了一下，她便抽身而出。When his grip loosened she eased herself away.他被两个男人紧抓双臂押出大厅。He was grabbed by two men and frogmarched out of the hall....
She mentally rehearsed what she would say to Jeff.她在心里复述着要对杰夫说的话.I'm sure his remarks were rehearsed, not impromptu.我肯定他的话是预先想好的, 不是即席讲的.He rose at 7 a.m., rehearsed all day and appeared in a play at night.他七点钟起床, 排...