English
Vietnamese
Gb
French
Vietnamese
Gb
Deu
Beginner Level
Advanced Level
INTERMEDIATE LEVEL
Content
→
→
→
OXF3000ZH:
助手
☊
→
助理
☊
→
助教
☊
→
assistant
like: 助教
→
→
助手 ☊ → 助理 ☊ → 助教 ☊ → 
assistant