Afpol
丁二烯苯乙烯橡胶
🗣️ 情景例句
we can ship the goods one month ahead of time.
我们可以提前一个月起运。
Perseverance is vital to success.
不屈不挠是成功之本。
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。