搭配介词to，例如：
1、will they be able to match the bark to the emotion?他们能够察觉到狗狗吠叫时的情绪吗
2、Beavers peel off the bark to eat and they also use the branches for building their shelters.海狸们把杨树桩剥皮为食，用杨树枝修筑居所。
3、Paths of bark chippings will help to give the impression of a woodland walkway.铺满碎树皮的小路有助于制造林间小道的印象。
