第20课

gas station

scheduled flight

to postpone, to delay

expressway

boarding pass

capital (of a country)

to travel, to tour

rather, quite

pitiable, poor

opposite, across

roast duck

to congratulate

qualified, up to standard

to drink a toast

nationality, ethnic group

to dress up, to deck out

joke

to store, to keep

key

exactly (used in questions for emphasis)

used for plants

soup

to have a dialogue

Mandarin Chinese

small and cheap dishes

to put in order, to pack

to depart, to set off

hot, spicy

fragrant, scented

sour, tart