When not in use it folds up out of the way.不用时就折起放好。The fortress was proof against the techniques of attack then in use.该防御工事能抵御当时所使用的各种进攻手段。a piece of land in use as a tank testing ground用作坦克试验场的一块土地...
She sat down cautiously on the red canvas cushions, knees modestly together.她小心翼翼地在红帆布垫上坐下，膝盖矜持地并拢着。First I applied a blue colour wash to the canvas.我先在画布上涂了一层蓝色水彩。The times that people used canvas boat have become histo...