A gopher looks horrified as it realises that it is dinner for a heron in arrowhead marsh , california
加利福尼亚箭头沼泽一只囊地鼠发觉自己成了苍鹭的大餐时惊恐万状。
Line with arrowhead in the middle . Use the right-click menu to change the arrowhead .
中间有箭头的直线。使用右击菜单可对箭头进行更改。
Pipe section for connecting the side of one shape to the side of another . Arrowhead can be shown or hidden .
将一个形状的侧面连接到另一个形状的侧面的管道段。可显示或隐藏箭头。
Paleontologists and archaeologists look around to see if they can discover whether something indicates that a stone is an arrowhead , a designed artifact .
