常見(jiàn)例句用作名詞 (n.)Ethylene is a growth hormone in plants.乙烯是植物中一種生長(zhǎng)荷爾矇。The concentration of ethylene is on the high side.乙烯濃度偏高。The plant can produce up to 130 tons of ethylene each month.這家工廠每月最高能生産一百三十噸的乙烯。 返回 ethylene