每个女童子军队员都知道，细枝比粗枝更容易聚光，所以细枝多的植物比枝条不那么细的同类姐妹更容易着火。
And as any girl scout knows, twigs catch light more readily than branches, so a twiggy sort of plant can catch fire more readily than its non-twiggy sister.
植物叶、枝条或者是芽侧面夹角的位置。腋芽就是生在枝的侧面叶腋内的芽。
Axil the Angle between the upper side of a leaf or branch and the shoot bearing it. Leaf axils are the site of lateral (axillary) buds.
同一枝条桑含氟量自下而上逐渐下降；降水对桑叶氟有显著清洗作用。
From down to upon, the fluoride quantity in the leaves became lower and lower in the some branches of mulberry.
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