HSK 7-9
通车
tōngchē动
to open to traffic (e.g. new bridge, rail line etc); (of a locality) to have a transportation service; (Tw) to commute
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.