Puromellitonitrile
1,2,4,5-苯四腈
🗣️ 情景例句
You know, the goods were inspected by the Commodities Inspection Office before shipment.
你知道，这批货物在装船前是经过商品检验局检验的。
The amount you want to transfer.
您要转帐的金额。
' I continued driving and after some time,the examiner tapped loudly,
”我继续往前开着。过了一会儿，主考人砰砰地敲了起来。