For example, during past ice ages, glaciers advanced down through North America and Europe and gradually cut off parts of populations from one another.advanced down在这里是什么意思?
...问:Happy
Christmas为什么不合英语习惯?有一句改错句子:The teacher wished us students a happy
Christmas. 参考答案是把 happy 改为 merry,解释说用 happy 不符合英语习惯。英语为什么习惯上不说 Happy Christmas? 不是可以说 Happy New Year 吗?该问...
Massive open online courses (MOOCs) have veered away from lectures on Plato[柏拉图] or black holes[黑洞] in favour of courses that make their students more employable.
请问from lectures on Plato[柏拉图] or black holes[黑洞] 在句中做什么成分
But not even a great health-care system can cure death-and our failure to confront that reality now threatens this greatness of ours.请问老师,这个not提前是倒装吗?为什么not要提前啊?