Colloided silica
[化] 膠態硅石; 膠態氧化硅
?? 詞語組成解析
silica
['silik?]
n. 硅石，二氧化硅;硅氧;
??? 情景例句
I am in the 7th grade.
我是七年級。
If you want knowledge,you must toil for it.
若要求知識，須從勤苦得。
How can I get there? I don't know the way.
去那兒怎么走？我不認得路。