烯 xī alkene Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 黄瓜对乙烯气体也很敏感，所以要远离香蕉、瓜类和西红柿。 huángguā duì yǐxī qìtǐ yě hěn mǐngǎn, suǒyǐ yào yuǎnlí xiāngjiāo, guā lèi hé xīhóngshì. Cucumbers are also sensitive to ethylene gas, so keep them away from bananas, melons, and tomatoes. Source: CCMatrix