Polyteben
磺硫尿
🗣️ 情景例句
Is this the bus that goes by the mall?
这班公共汽车经过商业街吗？
I wonder if the dentist could fit me in early tomorrow?
请问明天一早牙科医生能抽空给我看一下吗？
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，