bay可數(shù)嗎

　　A solitary seagull winged its way across the bay.

　　一只孤零零的海鷗飛過了海灣。

　　I'm trying to keep my creditors at bay.

　　我在竭力避開債主。

　　The road curved around the bay.

　　那條路沿海灣呈曲線伸展。

　　The referee's decision left the crowd baying for blood.

　　裁判的裁決引起群眾怒吼著要暴力相向。

　　Charlotte bit her lip to hold the tears at bay.

　　夏洛特咬住嘴唇不讓眼淚流出來。