Pek
[化] 聚醚酮
🗣️ 情景例句
Certainly sir, and is there anything else I can do for you?
当然了，先生，请问还有什么我能为你效劳呢？
We should not impose our values and norms upon other people.
我们不应该把自己的价值和规范准则强加于别人。
Whether the remarkable growth of organized camping means the eventual death of the more independent kind is hard to say.
有组织的露营活动的明显发展是否意味着较独立的自我封闭式露营的最终消失，还很难说。