翻译和例句：
chemical (化学物质). This chemical tastes more spicy.Most gingers, young and old, are spicy. That’s because... turns into another chemical (化学物质). This chemical tastes more spicy. ……
it. They made leather from a cactus (仙人掌). They turn the cactus into powder (粉末) and put chemicals (化学物质... the cactus into powder (粉末) and put chemicals (化学物质) into the powder. The cactus leather is green ……
strikes Earth about 20 million times. Lightning can make a special kind of chemical (化学物质). It can... of chemical (化学物质). It can reduce (减少) greenhouse gases (温室气体) in the atmosphere. ……
为什么刷牙后吃东西有点苦？为什么刷牙后吃东西有点苦？Many kinds of toothpaste have chemicals (化学物质). They make foam (泡沫... chemicals (化学物质). They make foam (泡沫) to clean your teeth. But these chemicals make it easier for our ……
the trees. The whitewash has chemicals (化学物质). They can protect the trees from bugs.When it is getting cold... (裂开). Bugs can easily go inside and hurt the trees. The whitewash has chemicals (化学物质). They can ……
glow green, blue or white. They have a special chemical (化学物质). When it meets the air, it makes.... They have a special chemical (化学物质). When it meets the air, it makes the mushrooms glow. Sometimes ……
多吃葡萄干对牙齿好。Oleanolic acid (齐墩果酸) is a chemical (化学物质) in raisins. Scientists say it can help kill oral bacteria (口腔细菌).• Oleanolic acid prevents (预防) the growth of two kinds of bacteria ……
chemicals (化学物质) – ones that may damage the environment – but are made from materials that have been ……
harmful chemicals (化学物质) – ones that may damage the environment – but are made from materials ……
from Hong Kong made a self-cleaning door handle. A special chemical (化学物质) is on the handle.... A special chemical (化学物质) is on the handle. A UV light (紫外线) is inside the handle. When the UV light ……
chemicals (化学物质) come out of the cells. They react (反应) with the air. After about 30 seconds, they make...). Many chemicals (化学物质) come out of the cells. They react (反应) with the air. After about 30 seconds ……
various chemicals (化学物质). On Nov 11, our school held a chemistry experiment competition. Each class...紧张的化学实验比赛。CHEMISTRY, the new subject in Junior 3, looks mysterious (神秘的). But if you spend some ……
. For example, don’t microwave (微波) broccoli. It can take away good chemicals (化学物质) and some vitamins... (癌症). The rich nutrients (营养物质) in broccoli help your heart, muscles (肌肉), eyes and immune system (免疫 ……
they stay in the beaches’ sand for a long time, chemicals (化学物质) in them can reach the sea and harm sea life ……
为什么切洋葱会让人流泪？Ever wonder why cutting onions can bring tears to your eyes? That’s because of the chemicals (化学物质) in the onion.1.When you cut an onion, you break down its cells (细胞).2.Amino acids (氨基 ……
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