兼ねるを英語でなんと言うか？

double as に兼ねると言う意味があります。 0;57 his head and horn double as a heavy duty forklift truck. サイの頭と角は大型のフォークリフトの働きも兼ねている。

Rhino vs. Buffalo | Animal Fight Night
https://www.youtube.com/watch?v=oN_RIcXUd7Y  0;40 their swipes denied when trying to use their dual monthly railroad passes that double as MetroCards on the subway.地下鉄の定期と兼用のロングアイランド鉄道の定期券がスワイプできなくなった。
Commuter Woes Continue For Metro-North, LIRR Riders https://www.youtube.com/watch?v=F6zQaAmrTv4  1:58 to ward off cabin fever, the living room also doubles as the family gym. 気分が落ち込まないように居間はジムをかねている。
America's Coldest Town Lives for 'Icebox Days'

練習問題解答
a-3735 doubles as
a-4139 double as
a-8139 doubles as
b-1369 a new sports hall doubling as an evacuation center
b-2657 doubles as