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[计] 数字无线电通信
🧩 词语组成解析
🗣️ 情景例句
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
I think I happen to represent them in accepting this award.
而我是碰巧来代表他们接受这个奖的。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。