Decametric
十公尺的
🗣️ 情景例句
Bye.
再见。
He alone is poor who does not possess knowledge.
没有知识，才是贫穷。
Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。