比对 bǐduì to compare and verify Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 我们对火星表面的了解比对深海的了解还要多。 wǒmen duì huǒxīng biǎomiàn de liǎojiě bǐ duì shēnhǎi de liǎojiě háiyào duō. We know more about the surface of Mars than we do about the deep sea. Source: OpenSubtitles