United States Merchant Ship的用法和樣例：
例句
- United States naval forces have freed the captain of an American merchant ship who was abducted by Somalia pirates last week.
美國海軍讓上周被索馬里海盜劫持的美國商船船長重獲自由。 - Meanwhile, the Shipping Board had moved in more fruitful directions to marshal an American merchant marine.
與此同時，航運局在集結美國商船隊方面較有成績。
