1·It would be understandable if it was just a matter of technology, but the lack of attention paid to the urgency and importance of such research is not excusable.
如果这仅仅是一个技术问题，尚可理解，但如果对该研究的紧迫性和重要性缺乏重视，则不可原谅。
2·Caustic grumbles are excusable when I know my sleep was unconsciously interrupted 24 times overnight. Or so I keep telling myself.
我一直对自己说，假如前一晚我不知不觉醒了24次，那么第二天说些刻薄的牢骚话是可以原谅的。
3·It is to be regarded as excusable in the light of circumstances.
考虑到具体情况，这将被看作是可以原谅的。