a tool used to bend each alternate sawtooth at a slight angle outward. 用来把每个交替的锯齿向外分出微角的一种工具。
important for human and animal food; growth habit and stem form similar to Indian corn but having sawtooth-edged leaves. 人类和动物的重要食物;生活习性和茎的形状类似于印度玉米但具有锯齿状边缘的叶子。