Perlit
波利特铸铁, 珠光体铸铁
🗣️ 情景例句
Good night, Susan.
晚安， Susan。
As is the workman so is the work.
什么工人出什么活。
From this the captain was able to piece together all the information that had come to light.
据此，船长可以将所有的那些已经搞清的材料拼凑起来。