Mazak
梅扎克锌基合金(锌纯度为99.99％)
🗣️ 情景例句
Go inside the Information Center.
到服务中心去。
Night fell quickly.
夜色很快降临。
Although we can't see these atoms, they really do exist.
虽然我们看不见原子，但它们的确存在。