... present a difficulty是什么意思 present a demonstration的中文翻译及用法 present a bold front是什么意思及反义词 ...
双语例句
1
Even without the problem of regional differences, rocks presentadifficulty as unique time markers.
即使没有区域差异的问题,岩石作为独特的时间标记也是一个难题。
2
This would appear to presentadifficulty for the FOAF vocabulary.
这似乎对foaf词汇表提出了难题。
3
That should not present much of adifficulty, given that the Transition has been designed as an aircraft from the start-instead of merely having wings attached to a car body.