frond
frond 英 [frɒnd] 美 [frɑnd]
n. （蕨类等的）叶，复叶；叶状体
名词复数:fronds
- A compound leaf — that is, a leaf with many fine and deep divisions — is a frond, such as on ferns and palm trees.
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- n. （蕨类等的）叶，复叶；叶状体
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1. The global distribution of these disc-, frond-, tube-, branch-, or spindle-shaped forms demonstrate that life was complex and diverse in the Ediacaran.
各地发现的印记，有圆盘状，有叶状，有管状，有分枝状，有纺锤状，证明埃迪卡拉纪的生物形式不仅高级，而且多种多样。
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2. However, later that year, when Sprigg found the frond-like forms he called Dickinsonia , he was certain that such geometrical impressions could have been made only by living creatures.
同年晚些时候，斯普里格又发现了一些叶状的、他称之为“狄更逊水母（Dickinsonia）”的印记，他于是确信，这种地质印记只能是生物留下的。
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3. Heavy ice can form and break them. You can also wrap a tree in palm tree frond leaves, cornstalks or fiberglass.
还可以用棕榈叶，玉米秆或玻璃纤维将树木包裹起来。
- frond (n.) 1785, from Latin frons (genitive frondis) "leafy branch, green bough, foliage." Adopted by Linnæus for the leaf-like organs of ferns, palms, etc., as a word distinct from folium. Later given a more precise meaning in botany.
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