Welcome to Basalt's Blog.
Basalt is a kind of volcanic rock.It spread all over the ocean basin.I Wish we have a nice place to discuss about earth science subject or school teaching material.
星期二, 3月 17, 2020
全民防疫！零成本打造雲端視訊 + 遠距教學平台 | Zoom + Google Classroom 教學
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