VOA慢速英语:美国航空局解除对波音737 MAX的禁飞令

review – n. an examination of something; a report on something

commercial – adj. involving or concerned with business

software – n. the programs and other operating information used by a computer

stall – v. to stop or cause to stop

display – n. an event or performance; something meant to be seen

grief – n. deep sadness