Celastoid
赛拉陀(专用热塑性塑料, 从醋酸纤维素制得)
🗣️ 情景例句
Do you remember, Michelle?
你还记得吗， Michelle？
Where will they be going for their holiday?
他们休假时要上哪去？
I think she's twelve.
我想她十二岁了。