Spherosil
多孔微球硅胶
🗣️ 情景例句
10 percent down and the balance at the time of shipment?
百分之十付现款，余额在装运时付清吗？
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
With the medicine box under her arm, Miss Zhao hurried off to look after the man.
夹起药箱，赵小姐匆忙去照料那个人。