Quadrosilan
二苯硅烷
🗣️ 情景例句
How is the view?
景色怎么样？
When is the ship supposed to leave?
船应该在什么时候开？
And Chinese, Korean, Filipino and Indian engineers are graduating in droves from California's colleges.
中国、韩国、菲律宾和印度的工程师一批批地从加州的大学毕业。