southwest by south

southwest-by-south的词性：
n.Abbr. SWbS（名词）缩写 SWbS

1. The direction or point on the mariner's compass halfway between southwest and south-southwest, or 146⁼15&S{￠} west of due north.
西南南：位于西南和西南以南正中间的航海罗盘方位，或指正北偏西146o15?

southwest-by-south的词性：
adv.（副词）

southwest-by-south的词性：
adj.Abbr. SWbS（形容词）缩写 SWbS

2. Toward or from southwest by south.
西南偏南的（地）：向西南偏南的（地）；来自西南偏南的（地）