两倍

两倍	liǎng bèi	twice as much / double the amount
两	liǎng	two / both / some / a few / tael, unit of weight equal to 50 grams (modern) or 1⁄16 of a catty 斤 (old)
倍	bèi	(two, three etc) -fold / times (multiplier) / double / to increase or multiply