Mai Hiên Biện
Joined: 12/08/2026
Last active: last week
🇻🇳Native Language: Tiếng Việt (Vietnamese)
Recent activity
1 videos learned · 0 books practised
Dictation video
Should fluoride be in our water?
last week
Book practice
No activity yet
Dictation time — last 365 days
1 active days · 1h 5m total
Minutes/day:
0
<15m
15–40m
40–90m
≥90m