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向性运动让常春藤缠绕。
Tropisms make the ivy twine.
youdao
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响应光刺激的向性运动。
Photonasty a nastic movement in response to light.
youdao
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对运动反应，但不具有方向性；
They are motion sensitive but no direction selective;
youdao
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对运动反应，但不具有方向性；
They are motion sensitive but no direction selective;
youdao