Polyplast
[医] 多种构造的, 多种变形的
🗣️ 情景例句
Be prepared to discuss details and be ready to answer questions.
应随时准备好讨论细节和回答对方的疑问。
I'm a catcher.
我是个接球员（垒球运动中）。
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些，但是要快得多。