VOA慢速英语:Iran Glad for Sanction Relief, But Wary of US

network - n. a group of people or organizations that work with each other; a system of computers and other devices that are connected to each other

matter - n. something that is being done or talked about

wary - adj. not having or showing complete trust in someone or something

sanction – n. an action that is taken or an order that is given to force a country to obey international laws by limiting or stopping trade with that country

ballistic missile – n. a weapon that is shot through the sky over a great distance and then falls to the ground and explodes

vigorously – adv. done with great force and energy