Grainal
钒钛铝铁合金(炼钢时加入, 用以改善钢的淬透性和韧性)
🗣️ 情景例句
There is nothing interesting in the newspaper.
报纸上没有什么有趣的新闻。
Is the plain along the river good for farming?
河畔的平原易于发展农业吗？
An important film director saw Chaplin acting a very funny part in a play.
一位颇有影响的电影导演看了卓别林在一个剧中扮演的一个非常滑稽的角色。