Barchan
新月形沙丘, 弧形沙洲
🗣️ 情景例句
to help you find a house now.
帮助你们找房子。
Friends may meet, but mountains never greet.
朋友可相逢，高山永分离。
Thus the rods, by falling, and by the direction in which they fell,
木棒倒下的多少和倒下的方向