双语例句
Phenethylene is an important material in the petrochemical industry.
苯乙烯是重要的石油化工原料。
词典释义：
phenethylene
时间: 2025-07-28 00:48:07
苯乙烯
词典释义：
苯乙烯
Phenethylene is an important material in the petrochemical industry.
苯乙烯是重要的石油化工原料。