demonstrations的翻译，读音
英/demənst'reɪʃnz/
释义：
n. 证明( demonstration的复数形式 ); 表明; 表达; <非正>游行示威
n. a show or display; the act of presenting something to sight or view
n. a show of military force or preparedness
n. a public display of group feelings (usually of a political nature)
n. a show or display; the act of presenting something to sight or view
n. a show of military force or preparedness
n. a public display of group feelings (usually of a political nature)