He had a patch on the elbow of his jacket.
他的夹克衫肘部有一块补丁。
He had a patch on the elbow of his jacket.
他的上衣肘部有一块补丁。
Connect the green (or negative) alligator clip to the right elbow electrode patch.
将绿色的(或负极)鳄鱼夹连接到右肘的电极片上。
Connect the green (or negative) alligator clip to the right elbow electrode patch.
将绿色的(或负极)鳄鱼夹连接到右肘的电极片上。
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