Prepollution
初期污染
🗣️ 情景例句
And these are pictures of people working:steelworkers, bankers, police, street vendors,ambulance drivers, doctors….
这是工作中人们的照片：钢架工人、 银行职员、警察、街头小贩、救护车驾驶 医生等等……
He's a composer of serious music.I like his music a lot.
他是的一个严肃音乐的作曲家，我非常喜欢他的音乐。
We don't have any different opinions about the contractual obligations of both parties.
就合同双方要承担的义务方面，我们没有什么意见。