Zedeflon
四氟乙烯均聚物
🗣️ 情景例句
You'll feel better after a good night's sleep.
你好好睡上一觉就会好些。
The doctor advised me to drink plenty of water.
医生劝我要多喝水。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远