English
Vietnamese
Gb
Vietnamese
Gb
Deu
Beginner Level
Advanced Level
INTERMEDIATE LEVEL
Content
→
→
→
like: 钻探
→
→
钻探 [zuan1 tan4]
☊
☊
Bohrung (S)
☊
钻探 [zuan1 tan4] ☊ 
☊ 
Bohrung (S) ☊ 钻探 [zuan1 tan4] ☊ ☊ Bohrung (S) ☊