Paratolunitrile
对甲苯甲酸
🗣️ 情景例句
He's got 20/20 vision.
他的视力很正常。
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
That's right.D.N. Hall,83, Bridge Street.
那就对了。D。N。霍尔，大桥街83号。