triplicated增: increase; gain; add至: to; till; until三倍: trebling; ter; treble; three ...的: 4次方是 The fourth power of 2 i ...增至三倍: treble; triplicate; triplication下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:增至三倍的，即可在微信中查询翻译
