Polypak
苯乙烯、二乙烯苯共聚物
🗣️ 情景例句
You should take the number 1 subway.
应当搭一路地铁。
His health has been lousy.
他的健康状况近来很糟。
'At the time the murder was committed, I was travelling on the 8 o'clock train to London,' said the man.
“在凶杀发生的时候，我正坐在8点钟开往伦敦的火车上。”那人说。