他就这运气，误了最后一班船也毫不出奇。It would be just his luck to miss the last boat.女性误以为是考虑不周的事情往往只是缺乏自信。What women mistake as thoughtlessness is often just diffidence.一枚北约的导弹误将那架飞机击落。The plane was shot down in error by a NATO missile....
And how do doctors prevent the spread of typhus?那么医生是如何防止斑疹伤寒的扩散与传播的 呢 ?A typhus epidemic struck in the winter of 1919–20.1919至1920年的冬天斑疹伤寒症流行....illnesses such as smallpox, typhus and the plague.像天花、伤寒和鼠疫这样的疾病Objective ...
矿物往往埋藏在地层深处.Minerals are often found deep in the ground.在圈定地层过程中,植被往往具有很大的作用.The role of vegetation in outlining formations is often of great help.我们把它们当作实际上的地层单元来考虑,它们主要由岩浆沉积作用所产生.We regard them as actural stratigraphic...