Empretron
汞弧离子管
🗣️ 情景例句
about the first Thanksgiving.
第一次感恩节历史剧。
Bind the sack before it be full.
做事应适可而止。
Eventually chains were fixed to one end of the dish and a powerful winch was put into operation.
不过，他们终于将链条固定在盘子的一端，一台大功率的绞车开动起来。