Day518-霜降节气

Frost Descent, the 18th solar term of the year, begins this year on Oct 23 and ends on Nov 6. It is the last solar term of autumn, during which time the weather becomes much colder than before and frost begins to appear.霜降是二十四节气中的第18个节气，今年开始于10月23日，并将在11月6日结束，它是秋季的最后一个节气，在此期间，天气变得比以前冷得多，并且开始出现霜冻现象。As the temperature starts to plunge and frost descends in northern parts of China, the seasonal node that falls around October 23 is usually seen as marking a fading autumn and a prelude to the forthcoming winter.随着温度开始下降，中国北部地区降下霜冻，而10月23日左右的时间点作为两个季节间的过渡，往往标志着秋天逐渐消逝，冬天即将到来。Language Focus 语言焦点：1. Frost Descent 霜降Frost bite  冻疮u Descent [n] /dɪˈsent/    the process of going down 下降；降落eg. Passengers must fasten their seat belts before descent飞机降落之前所有乘客必须系好安全带u Descend [v] /dɪˈsend/move from a higher level to a lower level 下降;降落eg. Our plane started to descend.我们的飞机开始降落2. Plunge [v] /plʌndʒ/(of prices, temperature, etc.)to decrease suddenly and quickly 暴跌；骤降eg. Oil prices have plunged to a new low.石油的价格已跌至新低3. Node [n] /nəʊd/a point at which two lines or system meet or cross  节点Seasonal node 季节节点4. Fade[v]  /feɪd/To gradually disappear 逐渐消逝eg. Over the years her beauty had faded a little这些年来，她的美貌渐渐消退了一些5. Prelude [n] /'preljud/a short piece of music, especially an introduction to a longer piece 前奏（曲）；序幕;开头prelude to somethingeg. The fighting in the streets may be a prelude to more serious trouble.街头殴斗可能是一个更严重事端的前奏。6. Forthcoming [adj]  /ˌfɔːrθˈkʌmɪŋ/About to happen in the near future. 即将到来的eg. He was quite excited by the thought of his forthcoming trip.他一想到马上要旅行,就很激动。