假如马不能终日咀嚼的“茎干很长的”，“耐嚼的“草料，或普通干草，它们有时候会去咬或者咀嚼木头，以满足它们希望咀嚼的内在需求。
When long-stemmed, chewy hay or grass is not available throughout the day, horses sometimes turn to wood to meet their internal desire to chew.
假如马不能终日咀嚼的“茎干很长的”，“耐嚼的“草料，或普通干草，它们有时候会去咬或者咀嚼木头，以满足它们希望咀嚼的内在需求。
When long-stemmed, chewy hay or grass is not available throughout the day, horses sometimes turn to wood to meet their internal desire to chew.
应用推荐