Kieselgur
n. [地质] 硅藻土
🗣️ 情景例句
You and Dr. Philip Stewart--
你和Philip Stewart医生
Suggestions on packing are greatly appreciated.
我们非常欢迎大家对包装方面提出建议。
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。