Fluoride damage is generally restricted to areas near manufacturing plants.氟化物的危害一般局限在制造厂的附近.It'shows a thousandfold selectivity for fluoride over other common anions.它对氟离子的选择性比其它普通阴离子高几千倍.Fluoride injury often is c...
He and I were sitting out on his jetty dangling our legs in the water.我和他坐在他的码头上，双腿在水中荡悠。The tooth hung dangling by the bedpost, now.结果,那颗牙就晃来晃去吊在床柱上了.The children sat on the high wall, their legs dangling.孩子们坐在一堵高墙上, 摇晃...
在1918年再版之前，这本书一直非常罕见。It remained an exceptionally rare book until it was reprinted in 1918.1918年，奥地利成为共和国。In 1918, Austria became a republic.土耳其溃败之后，亚历山大勒塔在1918年被法国人占领。Alexandretta had been occupied by the French in 1918...
这个城市反抗敌人的猛攻达两个星期之久.The city resisted the enemy onslaught for two weeks.部队猛攻敌人的战壕,并在田野上呈扇形散开.The troops stormed the enemy's trenches and fanned out across the fields.敌人在西线发动猛攻.The enemy made a push on the western fro...