名词
中文翻译：三叶的
同义词：
['triangular', 'trifurcated例句：1. The three-bladed saw is ideal for cutting curves in wood.（三叶锯非常适合在木头上切曲线。）']
例句：
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1. The three-bladed saw is ideal for cutting curves in wood.
三叶锯非常适合在木头上切曲线。
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2.The tree has three-bladed leaves that are green all year round.
这棵树有三片叶子，一年四季都是绿色的。
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3.The scientist used a three-bladed instrument to measure the temperature of the air.
科学家使用了一个三叶仪器来测量空气的温度。