警戒船 meaning in Chinese

guard boat
guard ship
guardship

She sank a coast defense ship on 14 february 1944 and cargo ship on 21 february , and then returned to guam
1944年2月间，她击沉了一艘海岸警戒船和一艘货船之后返回了美军在关岛的基地。
To this question the smugglers replied that , although successful in landing their cargo in safety , they had scarcely done so when they received intelligence that a guard - ship had just quitted the port of toulon and was crowding all sail towards them
走私贩子们告诉他，虽然货是安全地卸到了岸上，但刚卸完，他们就得到消息，说是有一艘警戒船已从土伦港开出来，正扯着满帆向他们驶来。