1.Students in the USA took part in a protest on Wednesday.

protest 抗议

His withdrawal can only be construed as a protest.
他的退场只能被理解为是一种抗议Z8be~%nzvulw1k。

2. She said: The NRA has held Congress hostage for years now.

hold...hostage 挟持...当作人质

You lured me here to hold me hostage in exchange for our warship.
你骗我过来,是想把我做人质交换战舰de%d5XQ[EmT[Xj@。

83!ulRny4g*yiPjH7kTsuzWr]|]epYfC@ZDZca[s)W]]%k(fE[& 来源:可可英语 http://www.kekenet.com/broadcast/201803/545372.shtml