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1/2 In Frame Semantics, the lansign activating a frame is called a trigger. “Struck a tree” in this sentence is the trigger activating the [TREE] frame. Normally, in the [TREE] frame there are obligatory elements such as TRUNK, BRANCH, LEAF. 展开全文How do you explain the definite article as in “the mark” to your students in the sentence “His car struck a tree; you can still see the mark on the tree”. 转发 1评论 0 原微博