brace /breis/ I. vt. 1.使防备， 使受锻炼：brace yourself for the shock 你要做好吃惊的准备； brace oneself up 打起精神来 2.支撑：Let’s brace this wall. 让我们把这堵墙撑牢。3.使(手、足、肩等)绷紧：He braced his foot against the edge of the wall. 他把一只脚死死抵在墙边上。‖II. n. ［c］托架，支架：His weak back was supported with a brace. 他虚弱的后背上有一支架支撑着。