学习资料

[意       思]n. （狗等的）吠声，嗥叫声
[例]  The bark of a dog sounded in the night. 在夜间听到狗叫声。
n. 树皮
[例]  Those trees have very beautiful white bark.那些树长着非常漂亮的白色树皮。
vi. （狗）吠叫
[例]  What are the dogs barking at? 狗为何吠叫?

更多意思

n.1.  （狗等的）吠声，嗥叫声
2.  树皮
3.  枪声，短促响亮的人声

vt.1.  厉声发出（命令、质问等）
2.  擦破（或蹭掉）……的皮

vi.1.  （狗）吠叫
2.  厉声说

参考例句

1.	The bark of plane trees peels off regularly.
	悬铃木的树皮到时侯就脱落。
2.	The diseased trees are marked by protuberances on their bark .
	有病的树木可由其树皮上的结节看出。
3.	He'd scratched his name in the bark of the tree.
	他把名字刻在树皮上了。
4.	He always speaks in an angry bark .
	他讲起话来总是在吼叫．
5.	Go bark up another tree!
	﹙美口﹚少管闲事，用不着你操心