21
一张双人床的房间a double-bed room
两只单人床的房间twin beds
单人床single bed
三张单人床triple(beds)
22
单职工家庭one(single)family
双职工家庭two(double)family
多职工家庭multiple family
23
亲生父母real parents
养父母adoptive parents
生父（非婚）natural/biological father
24
冰冷ice-cold
火热fire-hot /burning hot
25
一个和尚挑水喝One boys a boy,
两个和尚抬水喝two boys are half a boy，
三个和尚没水喝three boys are no boy at all。