1 Russia
n. 俄罗斯,俄国
Russia is the largest country in the world, containing nine time zones.
russian adj. This poster consists of Russian cultural icons.
2 impulse
n. 冲动,脉冲,驱使
These things were an impulse buy on November 11th by him.
impulsive adj. He's an impulsive guy, often solving problems with violence.
pulse n. 脉搏;脉冲;拍子,节奏
impose v. 把。。加强;强制执行
3 distress
n. 痛苦,焦虑;悲伤,疼痛; adj. 焦虑的 v. 使痛苦 ,使焦虑
He is in distress because of the stressful(充满压力的) work.
mistress n. 情妇;女教师;女主人
stress n. 强调;节拍 vt. 给..加压力,强调;使紧张
4 sovereign
adj. 至高无上的,最高统治权的 n. 最高统治者
Singapore is an independent sovereign nation.
sovereignty n. 主权;独立国
foreign adj. 外国的,外来的;陌生的 The Eiffel tower is a famous foreign building.
5 medium
adj. 中等的 n. 手段;媒介
I'd like a medium size television.
tedium n. 单调乏味 The tedium of this job is starting to get to me.
sodium n. 【化学】 钠 Na Salt is a compound(化合物) of sodium and chloride (氯).
radium n. 镭
podium n. 讲台,指挥台,矮墙 I'm ready to step up to the podium and start my speech.