中英释义：
这几乎可以肯定是专利绘画，但这个数目是不知道。
This is almost certainly a patent drawing, but the number is not known.
但是英语的确是有大量的词汇，几乎可以肯定是比任何其它语言的词汇都要多。
But English does indeed have lots of words, almost certainly more than any other tongue.
但其大部分基因几乎可以肯定是北美工业病毒谱系的一个组成部分，人们早已预料，这一谱系会产生就像这一次一样流行全球的病毒变异。
But most of its genes are almost certainly part of a North American industrial virus lineage long expected to produce pandemic variants like this one.
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可以
can; may; will; should; could; might; shall; be able to; OK; okay; able; right; acceptable; passable; satisfactory; safe; yes; ahead; surely; all right; able to; pretty good; not bad; by all means; I don't mind if I do
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肯定
affirm; confirm; approve; assert; ratify; validate; know for a fact; positive; affirmative; certain; sure; definite; assured; confident; convinced; approving; supportive; definitely; certainly; surely; positively; affirmatively; affirmation; approval; positive answer; confirmation; of course; without a doubt; for sure