Calcium bentonite
[机] 钙系膨土
🧩 词语组成解析
n. <美>[地质]斑脱土(火山灰分解成的一种粘土)
🗣️ 情景例句
There are abundant free materials available on the internet.
因特网上有丰富的免费资料提供。
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
Can I go and see it, please?
我可以去看看吗？