VOA慢速英语:China Replaces Commerce Minister as Trump Repeats Threat

currency manipulator – n. also called currency intervention or foreign exchange market intervention. A monetary policy action taken by a government: a central bank -- or the government itself -- buys or sells foreign currency in exchange for their own domestic currency, usually to influencing the exchange rate

occasional – adj. happening or done sometimes but not often; not happening or done in a regular or frequent way

stabilize – v. to make (something) steady

volatile – adj. likely to change in a very sudden or extreme way

unleash – v. to allow or cause (something very powerful) to happen suddenly

composition – n. the combination of parts or elements that make up something

factor – n. something that is considered or included (something) in making a judgment or calculation