blue knob

基本解释

• [地球科學]藍丘

英汉例句

雙語例句

• When he turned the knob on the stove, the blue flame that erupted under the teakettle gave a dim glow to the room.
  儅他扭開爐灶的鏇鈕，茶壺下麪陞騰起的藍色火焰讓屋子裡閃爍了些暗淡的光線。
  blog.sina.com.cn

權威例句

• Not quite as long as Saxe has in developing something called SmartGlass, which changes from dark blue to almost clear with the turn of a knob.
  FORBES: Magazine Article

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专业释义

地球科學

• 藍丘