Collectedness
n. 镇定
🗣️ 情景例句
I think it can be done.
我认为这件事情办得成。
Tell us about your post-purchase servicing.
告诉我们有关你们售后服务的情况。
It was very old and precious even then.
却使在当时，它也属历史悠久的珍奇之物。