这些火焰造成了对流漏斗，把许多微粒抛向上层大气。These fires create convection funnels, and throw a lot of particles into the upper atmosphere.对流可分为两类, 即 自然对流和强制对流.Convection can be of two types: natural convection and forced convection.散发汗水的一种方...
Increasing the total time lag is destabilizing.增加总时滞将使稳定性降低.Washington considers Mr. Chavez to be a destabilizing element in Latin America.美方认为查韦斯是拉丁美洲的不安定因素之一.The very liberalisation that North Korea requires will itsel...
"How do you know he's Irish?" —"Sticks out a mile."“你是怎么知道他是爱尔兰人的呢？”——“明摆的事嘛。”Men began to belabour his shoulders, his head, his arms with sticks.暴徒开始用棍棒猛打他的肩、头和胳膊。Dad spoils me. He loves me. He sticks up for me.爸爸很...