Fluoranthene
荧蒽
🗣️ 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……
Give me a ring at my office.
打电话到我办公室。
He's our office assistant.
是我们办公室的勤杂人员。