noun 下载 🔗分享 下沉气流,下降气流。 A strong, downward air current; an air pocket or air hole Examples : "The small plane struggled to stay in the air because of strong downdrafts near the mountains. " 由于山脉附近强烈的下降气流,那架小飞机很难保持飞行高度。 weather nature environment physics 与AI对话词汇游戏阅读练习