n.干燥的熱風

A dry wind called the Harmattan, which blows from the Sahara desert over Ghana and Nigeria, carries much sand and dust. 一種叫“哈馬頓”的干燥的風自撒哈拉大沙漠夾帶著大量的沙粒和塵埃，越過加納和尼日利亞。

Hot, dusty harmattan winds blowacross the bone-dry desert, which receives an annual rainfall of about1 inch (25 millimeters). 酷熱多塵的哈馬丹風(一種沿非洲大陸西北岸吹送的干燥多沙的風)吹過這片極度干燥的沙漠，這里每年僅有約1英寸(25毫米)的降雨量。

Harmattan dust deposition and particle size in Ghana 加納的哈麥丹風降塵及其粒徑分布

a dry wind called the Harmattan,which blows from the Sahara desert over Ghana and Nigeria,carries much sand and dust 一種叫“哈馬頓”的干燥的風自撒哈拉大沙漠夾帶著大量的沙粒和塵埃，越過加納和尼日利亞