貿易風

1. Origins, structure, and basic meaning

• Structure: 貿易風 is read as ぼうえきふう and is a noun for the trade winds, persistent winds that blow in a regular direction across low latitudes.
• Basic usage: Drawing the direction of the trade winds appears in 貿易風の向きを描く, while describing a sailboat moving with the trade winds appears in 貿易風を受けて進む.

2. Common pitfalls and similar expressions

• Distinction from 季節風
  • 貿易風 blows in a relatively steady direction across low latitudes, whereas 季節風 changes its prevailing direction with the season.