即使轉機也要簽證,見美國國務院官網: Travel purposes which require a Transit (C) Visa - Examples: A foreign citizen traveling to another country who will have a brief layover in the United States when the only reason for entering the United States is to transit. https://travel.state.gov/content/travel/en/us-visas/other-visa-categories/transit.html
Travel purposes which require a Transit (C) Visa - Examples:
A foreign citizen traveling to another country who will have a brief layover in the United States when
the only reason for entering the United States is to transit.
https://travel.state.gov/content/travel/en/us-visas/other-visa-categories/transit.html