botfly
/ˈbɒtflaɪ/1
- noun (pl. -flies) a stout hairy-bodied fly whose larvae are internal parasites of mammals, in particular胃蝇, 尤指：
1.1
- a fly whose larvae (bots) develop within the guts of horses (Gasterophilus and other genera, family Gasterophilidae).马胃蝇（胃蝇属及其他属, 胃蝇科）。
1.2
- chiefly N. Amer. a fly of the warble fly family (Oestridae).〈主北美〉 牛蝇的一种（狂蝇科）。