Magnaglo
电磁紫外线探伤法, 玛格纳络磁性粉末
🗣️ 情景例句
We'd all like to believe that we have a bright future ahead of us.
我们都愿意相信我们的前面是一个美好的不未来。
Who are those people?
那些人是谁？
She is a composer for the harp.
她是位写竖琴曲的作曲家