Most of them are distinguished by their bright and clear sounds . plucking techniques are diversified so that the player can pluck by either the right index finger tip , without an artificial nail , or a plectrum . techniques such as flicking , flipping , rolling , turning , picking , rubbing , knocking , sweeping , whisking , parting , plucking , patting , and lifting are commonly adopted 大多数的弹拨乐器都具有明亮、清脆的音色，其弹奏方法技巧亦十分多样化，演奏者可配戴假指甲或手拿琴拨来弹奏，而技巧则有弹、挑、滚、轮、勾、抹、扣、划、拂、分、摭、拍、提、摘等。
Activities include : use the air gun to shoot out invisible bullets that carry energy ; try to boil liquid by using your palm ; create loud sound simply by rubbing the metal bar with your fingers , etc . after participating these activities , you will discover the wonders of energy and have a deeper understanding about the conversion of energy 其中包括：利用空气手枪射出蕴含能量的无形子弹尝试以手掌的热力令液体沸腾利用手指与金属管的磨擦产生清脆的声音等等。当你参与这些活动时，定可察觉能量是如此奥妙，并对能量之间的转换有更深入的认识。
This morning , in customs entrance , when vehicles peace the same platoon got up the long team , spot place wriggles to fronti sit in the window position , extremely comfortable , in the vehicle is full is pushing completely the human which goes to work , compares them , i am happyleft the customs , the vehicle stagnated motionless , sunlight from my left front glass injection , in package , i found the small nail clippers , leisurely and carefree prunes my long nail , has that a quarter absent minded , thought is in the peaceful yard , in the courtyard has the dark green flowers and plants , also has the autumn to be slight but the ambiguous wind , the clear clatter tower sound which is listening to the nail pruneswhen sends out , all not likely is places oneself in the environment which this anxiously waited for 今天早上,在关口,车辆和平时一样排起了长龙,一点点地向前蠕动.我坐在窗口的位置,非常舒适,车里满满地挤着上班的人,比起他们,我是幸福的.出了关,车停滞不动了,阳光从我左前方的车窗射入,在包里,我找到小指甲刀,悠闲地一下一下修剪起我长长的指甲,有那么一刻的恍惚,觉得是在安静祥和的小院里,院里有青绿的花草,还有秋天轻微而暧昧的风,听着指甲被修剪时发出的清脆的嗒塔声,呀,一点都不象是置身在这焦急等待的环境里呢
A string of cheers burst of wind in the trees ; coolness resounding " refueling " spread on the lawn ; wave after wave of applause and cheers inspired the outbreak besides the stones … … on november 5th afternoon , a number of students of south china university of technology brimmed with vigor made the entire tianhe park full of youthful flavor 一串串清脆的欢笑声在树林间蜿蜒；一阵阵响亮的加油声在草坪上扩散；一浪浪振奋人心的喝彩声在石头边爆发… … 11月5日这天下午，一批活力四射的华南理工大学的学生让整个天河公园都充满着青春的气息！
