1. defile (v/n):(v) to make foul, dirty, or unclean; pollute; taint; deb...

1. slate（n/v）：(n) a thin piece or plate of this rock or a similar materi...

1. delusion(n)：a false belief or opinion. Synonym: deception. Example:...

1. cardiac arrest： 心跳停止. 2. cardiopulmonary（adj）：of, relating to, or aff...

Day8 1. barn(n/v)：a building for storing hay, grain, etc., and often for...