翻译和例句：
tomatoes give out a special acid (酸) that makes the bugs go away. Some caterpillars are eating..., “Watch out! Bugs are coming!” Other tomatoes give out a special acid (酸) that makes the bugs go away ……
味道怎么样Word boxsour酸sweet甜bitter4苦spicy5辣salty咸candyIt tastes ____________. coffeeIt tastes ____________. lemonIt tastes ____________. red pepperIt tastes ____________. saltIt tastes ____________ ……
coating (氟化物外衣) on their teeth. Fluoride keeps acid (酸) from eating through the tooth&rsquo... (酸) from eating through the tooth’s surface. That’s why most of our toothpastes have ……
material called collagen (胶原).The acid (酸) in the vinegar dissolves (溶解) the hard calcium, leaving ……
material called collagen (胶原).The acid (酸) in the vinegar dissolves (溶解) the hard calcium, leaving ……
the acid (酸) in your stomach. ……
. ( )hard ( )softWhy?Calcium carbonate (碳酸钙) makes the eggshell hard. Vinegar is an acid (酸). It can ……
it.An acid (酸) in my wood keeps out diseases (病害). Bugs can’t get in, either.My bark (树皮) is over... on a hot day.An acid (酸) in my wood keeps out diseases (病害). Bugs can’t get in, either.An acid (酸 ……
soda drinks have acid (酸) in them. They can eat away at the aluminum. Luckily, this plastic layer ……
is it so salty?The answer is rainwater. All rainwater has acid (酸) in it. Over time, the rain breaks ……
sweeter and have less acid (酸) than other pineapples, reported New York Times. This pineapple... about the color. They’re sweeter and have less acid (酸) than other pineapples, reported New York Times ……
elephants and cows eat food with a lot of fiber (纤维). The animals break the fiber down with acid (酸 ……
acid (酸) in it, while soda is a base (碱). They work together to become carbon dioxide (CO2, 二氧化碳). ……
happened?A chemical reaction (化学反应) takes place between a chemical in the warm milk and the acid (酸... milk.A chemical reaction (化学反应) takes place between a chemical in the warm milk and the acid (酸 ……
物外衣) on their teeth. Fluoride can keep acid (酸) from eating through their teeth. That’s why most... (氟化物外衣) on their teeth. Fluoride can keep acid (酸) from eating through their teeth. That’s why ……
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