Aerocat silica-alumina microspheres
[建] 一种小球状硅酸铝催化剂
🧩 词语组成解析
silica
['silikə]
n. 硅石，二氧化硅;硅氧;
n. 矾土\\n[化] 矾土; 氧化铝
(microsphere 的复数) [化] 微球体\\n[医] 中心体
🗣️ 情景例句
Robbie, I want you to meet
Robbie，我要你见过
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
The mobile phone is as popular as the beeper nowadays.
现在手机和寻呼机一样普及。