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user Basic Concepts of Matter Definition of matter: Matter is anything that has mass and takes up space. Definition of matter: Matter is anything that has mass and takes up space. This means that if something weighs anything and it fills up a part of the universe, like air in a balloon or water in a … Read more
Early Ideas on the Atom Origin of atomic concept: The idea of the atom dates back to ancient Greece, introduced by Democritus around 450 BC. Origin of atomic concept: The idea that everything is made up of tiny building blocks called atoms started a long time ago in ancient Greece. Around 450 BC, a philosopher … Read more
The Scientific Method in Chemistry Definition: The scientific method is a systematic approach used to solve scientific problems through structured investigation. Stepwise Approach: The scientific method follows a clear order of steps. Each step helps the scientist move closer to solving a problem or answering a question. Starting with observations and ending with a conclusion, … Read more
Origin and Early Development Natural Observations: Chemistry began with humans observing metal behavior and how matter changes. Natural Observations: Chemistry began a long time ago when early humans started to notice how different materials changed when they were heated, cooled, or mixed. For example, when metal was placed in a fire, it became soft and … Read more
外貌 appearance描述 describe白蚁 termite草食动物 herbivore肉食动物 carnivore杂食动物 omnivore
中文 English 中文 English 接收 receive 极好的 fantastic 收据 receipt 预测 predict 构思 conceive 胃的 gastric 察觉 perceive 关键的 critical 百科全书 encyclopaedia 魅力 glamour 鬣狗 hyena 迷人的 glamorous 藻类 algae 殉道者 martyr 码头 quay 逗留 sojourn 水族馆 aquarium 不安的 perturbed 经常地 frequently 荒谬的 absurd 宴会 banquet 惰性的 inert 精致的 exquisite 决心 determination receive I didn’t … Read more
English Chinese English Chinese confuse 混淆 strike 打击 attack 攻击 coyote 郊狼 defend 防御 chase 追赶 avoid 避免 escape 逃脱 cobra 眼镜蛇 tail 尾巴 python 蟒蛇
Plantation – 种植园 Presumed – 假定的 Precious – 珍贵的 Emperor – 皇帝 Cinnamon – 肉桂 Brew – 酿造 Expensive – 昂贵的 Import – 进口 Mass-production – 大规模生产 Ingredients – 配料/成分 Industry – 行业 Multi-billion – 数十亿的 Established – 成立的 Ceremony – 仪式 Cacao – 可可 Civilization – 文明 Royalty – 皇室 Unusual – 异常的/不寻常的 Explorer … Read more
English Chinese English Chinese Emergency 紧急 Shelter 避难所 / 庇护所 Torch 手电筒 / 火把 Evacuate 撤离 / 疏散 Plan 计划 Safe 安全的 Supply 供应 / 补给 Wind howl 狂风呼啸 Wave rage 巨浪翻腾 Future 未来 Prediction 预测 Weather forecast 天气预报 Snow boot 雪地靴 Raincoat 雨衣 Protect 保护 Electricity goes off 断电 / 停电 Temperature 温度 Glove … Read more
Kad Imbas 00 望远镜 01 树 02 玲儿 03 三脚凳 04 汽车 05 手套 06 手枪 07 锄头 08 滑轮鞋 09 猫? 10 棒球 11 梯子 12 椅儿 13 医生 14 钥匙 15 鹦鹉 16 大拇指 17 仪器 18 腰包 19 衣钩 20 香烟 21 鳄鱼 22 双胞胎 23 和尚 24 时钟 25 二胡 26 … Read more