nonimmigrantsCOCA¹⁶⁰⁵⁴⁴ 基本例句 🌏非移民；非移民签证；外国旅客 Nonimmigrants enter the United States for a temporary period of time, and once in the United States, are restricted to the activity or reason for which their nonimmigrant visa was issued. 非移民工人短暂的逗留美国，在美国只能被限制从事他们在签证上说明的原因上的活动。 yeeyan