Glutaconaldehyde
戊烯二醛
🗣️ 情景例句
We love you, Grandpa.
我们爱你，爷爷。
Is there any discount for the USA Railpass?
火车通行证有折扣吗？
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，