Acitinide
锕类
🗣️ 情景例句
Yes, most of them are, except for the plastic parts.
对，除了塑料制品其他都是。
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。
Both girls write to each other regularly now.
现在这两位姑娘定期通信了。