He sat under the tree, with his elbow resting on his knee．
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He sat under the tree, with his elbow resting on his knee．
试题答案
答案：
解析：他坐在树下，把肘放在膝上。(伴随情况) |
He sat under the tree, with his elbow resting on his knee．
答案：
解析：他坐在树下，把肘放在膝上。(伴随情况) |