the layer of gases surrounding a planet, held in place by gravity
大气, 气体层
科学家研究火星稀薄的大气层以了解其气候。
having many clouds up in the sky
多云的, 阴天的
因为晚上太多云了，我看不到任何星星。
to become covered or filled by water
淹没, 泛滥
冬季解冻后，低洼地区开始泛滥，促使居民疏散到更高的地方。
(of the weather) to be very cold
冻结, 结冰
预报预测温度会在一夜之间冻结，促使居民采取防霜措施。
a very strong and destructive wind that moves in circles, often seen in the Caribbean
飓风, 旋风
飓风在沿海地区造成了严重破坏。
a bright flash, caused by electricity, in the sky or one that hits the ground from within the clouds
闪电, 电光
一道闪电瞬间照亮了整个天空。
to rain heavily and in a large amount
倾泻，下倾盆大雨
天气预报预测整晚都会倾盆大雨。
the event of rain falling from the sky
降雨, 雨
该地区在季风季节经历强降雨。
the event during which snow begins to fall from the sky
降雪, 雪
一场大雪将宁静的乡村变成了冬季仙境，降雪给景色披上了一层纯净的白色。
a strong and dangerous type of wind, which is formed like a turning cone, usually causing damage
龙卷风
该地区以频繁发生龙卷风而闻名。
large amounts of snow falling from mountains
雪崩
雪崩把山村埋在雪里。
a storm with heavy snowfall and strong winds
暴风雪, 雪暴
严酷的暴风雪条件对旅行者来说是危险的。
a long period of time when there is not much raining
干旱, 缺水
干旱导致了植被的严重损失。
a prediction or estimate of future events, often related to weather or conditions
预报, 预测
农民依靠预报来计划种植。
a tropical storm with violent winds moving in a circle that form over the western Pacific Ocean
台风, 热带气旋
当局在台风接近沿海地区时发布了疏散命令。
rain containing a great deal of acidic chemicals, caused by air pollution, which can harm the environment
酸雨, 酸性降水
旧墓地中的大理石墓碑显示出因长期暴露于酸雨而引起的麻点。
related to or using a temperature scale on which water boils at 100° and freezes at 0°
摄氏, 摄氏度
今天的天气达到了40度摄氏度。
a violent storm with winds moving in circles
气旋, 热带风暴
一场强大的气旋正在接近海岸，建议居民撤离。
a brief heavy rainfall
倾盆大雨, 暴雨
尽管倾盆大雨，足球比赛仍在继续，球员们在湿漉漉的场地上滑倒和滑动。
related to or using a temperature scale on which water boils at 212° and freezes at 32°
华氏, 与华氏温标相关的
预报说今天会是86华氏度。
a weather condition during which the temperature drops below the freezing point and thin layers of ice are formed on the surfaces
霜
随着气温下降，该地区发布了霜冻警告。
a period in the summer during which wind blows and rain falls in India or other hot South Asian countries
季风, 雨季
季风降雨既是一种祝福也是一种诅咒，它可以从灼热的温度中解脱出来，同时也会在一些地区引发洪水和山体滑坡。
a period of hot weather, usually hotter and longer than before
热浪, 酷热期
在最近的热浪期间，气温飙升至创纪录的高点，使人们难以外出。
the amount of moisture present in the air
湿度
在热带地区，雨季期间湿度水平可接近饱和。
a thin, fog-like cloud consisting of tiny water droplets suspended in the air
薄雾, 雾霭
在温暖的夏日里穿过薄雾行走感觉清爽。
the loud crackling noise that is heard from the sky during a storm
雷声, 闪电
我们听到了远处的雷声，知道暴风雨即将来临。
extremely small drops of liquid in the air, resulted from the heating of the liquid
蒸汽, 雾
a powerful stream of water or other liquid that moves very fast
激流, 湍流
站在瀑布的边缘，我们能感觉到从下面倾泻而下的水激流的雾气。
