late 15c., "in a westerly direction; facing toward the west," from Middle English wester (adj.) "western" (mid-14c.), from Old English westra, variant of westerne (see western) + -ly (2). As an adjective, "coming from the west," 1570s. Contradictory sense of "going to the west" attested by 1630s.
权威例句
1. They set out in a westerly direction along the riverbank.
他们沿着河岸向西出发了。
2. travelling in a westerly direction
向西行进
3. The garden was very exposed to westerly winds.
这座花园完全暴露于西风中.
4. A rising westerly wind was whipping up a moderate sea.
西风逐渐加紧,平静的海面上起了波浪.
5. The prevailing westerly winds gave the battle advantage to the English admirals.