目的: 初步探讨一种全牙列晚期牙周病重度松动牙保存修复的新方法. Objective: To explore a new method of restoring complete while dentition periodontitis stressed syllable looseness teeth.
H spent three hours learning Lincoln's Address at Gettysburg by heart.他花了三小时把林肯的《葛底斯堡讲话》背了下来。He lives about 60 miles upstream from Oahe, near Gettysburg, South Dakota.他住在奥阿希湖上游约60英里处，靠近南达科他州的葛底斯堡。Your friend already...
Dick was a juggler, who threw mists before your eyes.迪克是个骗子, 他在你面前故弄玄虚.The juggler juggled three bottles.这个玩杂耍的人可同时抛接3个瓶子.The juggler juggled three flasks.这个玩杂耍的人可同时抛接三个瓶子....
把那些丝状水藻捞出来，垫在吊篮里。Scoop the blanket weed out and use it to line hanging baskets.湖中水藻滋蔓.Algae grow and spread quickly in the lake.这些化石看上去是被海水冲上岸的一种早期的水藻。The fossils appear to be an early form of seaweed washed up on a beac...