They have a certain relation with variations of high pressure in northwest Pacifical subtropical belt, atmospheric pressure and temperature. 它们与西北太平洋副热带高压带的气压变化、大气压力以及温度之间存在一定的关联。
pacifical
“ -al” ⌜ 表示具有某种性质的 - indicating pertaining to or characterized by ~ ⌟