whereby
wodurch 
waardoor 
par lequel 
per cui 
por lo cual 
โดย 
nhờ đó 
借此 | (IELTS4000) whereby | Definition: by which; by what; how whilst: |
| (ESS4000) whereby | Definition: Whereby means by which or through which. | Example: →The mayor had a new bridge built whereby the citizens could cross the river. |
| HSK5000 A1+A2+B1 |
|---|
| HSK5000 B2 + C1 |
|---|