双套

双套	shuāng tào	double set / diploid
双	shuāng	variant of 双
双	Shuāng	surname Shuang
双	shuāng	two / double / pair / both / even (number)
套	tào	to cover / to encase / cover / sheath / to overlap / to interleave / to model after / to copy / formula / harness / loop of rope / (fig.) to fish for / to obtain slyly / classifier for sets, collections / bend (of a river or mountain range, in place names) / tau (Greek letter Ττ)