二人眉来眼去，以目传情。

They exchanged amorous glances and clearly made known their passions.

《新英汉大辞典》

这个“二人组”就成了已知最古老的化石证据，来支持无气门亚目一类螨虫的搭便车现象，或称寄载现象。

That makes the duo the oldest known fossil evidence of hitch-hiking behavior, or phoresy, in a large group of mites called the Astigmata.

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