quarter of a ship的意思|示意

We were not much more than a quarter of an hour out of our ship till we saw her sink, and then I understood for the first time what was meant by a ship foundering in the sea.

离开大船不到一刻钟，我们就看到它沉下去了。这时，我才平生第一次懂得大海沉船是怎么回事。

The average over the oceans is sparse and only a quarter of the possible ship reports may be received within 12 hours ;

海洋上测站数平均很少， 在12 小时之内， 我们只能接收到四分之一的船舶站的天气预报；