武装部队保持高度戒备，以防发生任何报复行动。The armed forces were on high alert to guard against any retaliation.他对自己的位置心存戒备。He felt a certain defensiveness about his position.他们心怀戒备地相互看着对方。They looked at each other with distrust....
刘易斯·海德将军曾是“比利”·米切尔将军的部下。General Lewis Hyde had served under General "Billy" Mitchell.海德转移了一下重心，就感到自己往前倾，开始失去平衡。Hyde shifted his weight and felt himself teeter forward, beginning to overbalance.我们的很多老师也和海德堡大学保持着有益的学术联系。Ma...
本文介绍了一种汞盐可逆光色涂层.The optical properties of a recoverable mercury salt photochromic paint were studied.镀黑铬色涂层凸显了黑矿色 、 黑钻石色 、 银色魅影和透明水晶的亮泽魅力.The ruthenium - plating highlights the sheen of Jet Hematite, Black Diamond, Silve...
After development, the eastern areas have grown famous intaglio printing plate enterprise.历经发展, 东运已成长中国著名的凹版制版集团企业.The picture shows the intaglio printing workshop of this company.图为该企业凹印制版车间.A method of printing with et...