Give the description of the following sound segments in English. [k];[z];[w];[u:];[i]
你如何理解教师是学前儿童的“养护者”这一角色?
简述中国新民主主义革命胜利的基本经验。
What are the major distinctions between langue and parole?
振动式密度计在垂直管道上安装时,应取在液体()流动的管段。 ["自上而下","自下而上","湍流","紊流"]
结合实际谈谈校长对于一所学校的作用。