Haloport f
一种聚四氟乙烯载体
🗣️ 情景例句
There are abundant free materials available on the internet.
因特网上有丰富的免费资料提供。
Be considerate toward the poor.
应常为穷人着想。
Tickets, please! Tickets, please!
请出示车票！请出示车票！