Spintometer
X线透度计
🗣️ 情景例句
Why advanced?
为什么是高级的？
Every dog is valiant at his won door.
狗在家门前条条都凶悍。
As he had never been there before, he found a great deal to interest him.
由于他从未去过那儿，结果他发现许多有趣的东西。