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9,George took off his jacket rolled up his sleeves and pushed his right arm through the drain cover.
注意:take off, rolled up, push这一系列的动词构成a, b and c的平行结构,很形象地描述了事件的发展,很有连贯性。
roll vi. 滚动; vt. 滚动
vi. The pencil rolled under the table.
vt. He rolled the ball towards the puppy.
roll up:卷起,挽起
e.g. We will need to roll up the carpet.