The Coptic Church is among the oldest churches of Christianity.科普特教会是最古老的基督教会之一。He pulls a rickshaw, probably the oldest form of human taxi service.他拉黄包车，这可能是人类最古老的载客服务形式了。I thought the oldest were going to peg out.我想最老的...
This short - circuiting implicitly gives the highest priority to the leftmost alternative.这种短路行为隐式地给予最左边的选项以最高优先级.Otherwise, accidental short - circuiting can lead to electric shock and to serious damage.否则, 意外的短路可能引起触电和...
He beats the gong twice.他筛了两下锣.You cannot flay the same ox twice.一头牛不能剥两次皮.They are in twice daily radio contact with the rebel leader.他们每天用无线电和叛军首领联系两次。Keaton comes here once or twice a year to soak up the atmosphere.基顿...
在白垩质土壤中添加有机物可降低其碱性。Incorporating organic material into chalky soils will reduce the alkalinity.有些土壤其实碱性过强，不利于某些植物生长。Some soils are actually too alkaline for certain plant life.抗酸剂是碱性的，通过中和胃容物中的酸来减轻疼痛。Antacids are alkalin...