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How Do Butterflies Taste with Their Feet?
蝴蝶如何用脚品尝味道？
精读先不看文字，完整听一遍。
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Butterflies have taste sensors on their feet called chemoreceptors.蝴蝶脚上长有味觉感受器，称为化学感受器。
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They land on leaves or flowers and tap lightly to test for chemicals.它们落在叶子或花朵上，轻轻敲击以检测化学物质。
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Female butterflies check plants this way to find the right place to lay eggs.雌蝶以此方式检查植物，寻找合适的产卵地点。
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Sweet nectar or safe host leaves send strong positive signals.甜美的花蜜或安全的寄主叶片会发出强烈的正面信号。
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Their antennae help smell the air, but feet give direct contact info.触角帮助它们嗅闻空气，而脚则提供直接接触的信息。
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This helps them avoid toxic plants that harm caterpillars.这有助于它们避开对幼虫有害的有毒植物。
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Taste sensors work instantly — no chewing or swallowing needed.味觉感受器能瞬间起效，无需咀嚼或吞咽。
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Humans taste with tongues, but butterflies use six tiny tasting legs.人类用舌头品尝，蝴蝶则用六条微小的味觉腿。
精读 · 大约 10 分钟
听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。
③ 学 · 重点表达
- Butterflies have taste sensors on their feet called chemoreceptors. 蝴蝶脚上长有味觉感受器，称为化学感受器。
- This helps them avoid toxic plants that harm caterpillars. 这有助于它们避开对幼虫有害的有毒植物。
- Sweet nectar or safe host leaves send strong positive signals. 甜美的花蜜或安全的寄主叶片会发出强烈的正面信号。
④ 懂 · 选一选
⑤ 今天会说这一句
Butterflies have taste sensors on their feet called chemoreceptors.
⑥ 跟读并录音
Butterflies have taste sensors on their feet called chemoreceptors.
第一版：录下来、回听、再听标准音。系统打分以后再加。
⑦ 说 · 自己来一句
用今天的表达，自己说一句。
例子：Butterflies have taste sensors on their feet called chemoreceptors.
已记下。连续天数以后会显示在课表里。
陈老师指导
课程开发中，敬请期待。成人和孩子都可以先自学听读、精读。
这边的讲解音轨还在做。想先跟着老师走完固定 30 课，可以去陈老师带读社（和自学通行不是同一份会员）。
课程开发中，敬请期待。