汇集: to collect, to compile, to converge...
凳子: stool, small seat...
气压: atmospheric pressure, barometric pressure...
投降: to surrender, surrender...
下: below; under; next; go down; get off...
出示: to show, to take out and show to others, to display...
指导: to guide, to give directions, to direct, to coach, guidance, tuition...
拨通: to get through to sb on the phone...
