even if引导的从句是往往是假设性的，相当于汉语的“即使”、“纵然”、“就算”、“哪怕”。even though引导的从句内容往往是真实的，主要用于引出不利用于主句情况的信息，相当于汉语的“尽管”、“虽然”。
even if的例句
Even if you have dark skin, you still need protection from the sun.
即使你皮肤黝黑，仍需要防晒。
Even if you did see someone, you can't be sure it was him.
即使你确实看见有个人，也不能保证那就是他。
I'll get there, even if I have to walk.
我就是走也要走到那儿去。
Even if you are desperate to get married, never let it show
即使你想结婚想得发狂，也决不要表现出来。
Food seems to have been available, even if the quality left much to be desired
食品似乎能够买到了，虽然质量还远不尽如人意。
even though的例句
She wouldn't change it, even though she knew it was wrong.
尽管她知道这错了，她也不肯改变。
I like her, even though she can be annoying at times.
尽管她有时可能很烦人，我还是喜欢她。
He's the best teacher, even though he has the least experience.
他虽然经验最少，却是最出色的老师。
She never took a taxi, even though she could afford to.
尽管她坐得起出租汽车，但她从未坐过。
It's a thrilling movie even though it lacks subtlety.
这部电影虽说不算精巧，但还是扣人心弦的。
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