查了一下，真有winter melon 这一说。不知与冬天有什么关系。

Benincasa hispida, the wax gourd,^[2][3] also called ash gourd,^[4] white gourd, winter gourd, tallow gourd, ash pumpkin, winter melon,^[4] Chinese preserving melon^[4] and (Alu) Puhul, is a vine grown for its very large fruit, eaten as a vegetable when mature.