crane

/kreɪn/
a large tall machine used by builders for lifting heavy things
起重机，吊车

forklift = forklift truck

/ˌfɔːrklɪft/
a vehicle with special equipment on the front for lifting and moving heavy things
叉车

tractor

/ˈtræktər/
a strong vehicle with large wheels, used for pulling farm machinery
拖拉机

recycling truck

a specialized truck designed to collect and transport recyclable materials from homes, businesses, or public areas to recycling facilities

cement mixer = concrete mixer

/sɪˈment mɪksər/
搅拌车；混凝土搅拌机；水泥搅拌机

cement

a grey powder made from lime and clay that becomes hard when it is mixed with water and allowed to dry, and that is used in building
水泥

dump truck

/ˈdʌmp trʌk/
a vehicle with a large open container at the back that can move up to pour sand, soil etc onto the ground
自卸货车，翻斗车

subway = underground = metro = tube

/ˈsʌbweɪ/
a railway system that runs under the ground below a big city

aerial tramway

索道

aerial
/ˈeriəl/
in or moving through the air

tramway
/ˈtræmweɪ/
the rails that form the route for a tram
有轨电车轨道

helicopter

/ˈhelɪkɑːptər/
a type of aircraft with large metal blades on top which turn around very quickly to make it fly

airplane = aeroplane = plane

balloon

/bəˈluːn/
an object made of brightly coloured thin rubber, that is filled with air and used as a toy or decoration for parties

tram / streetcar

a vehicle for passengers, which travels along metal tracks in the street
有轨电车

carriage

a vehicle with wheels that is pulled by a horse, used in the past
（旧时的）马车

rowboat

/ˈroʊboʊt/
a small boat that you move through the water with oars
用桨划的小船

boat

train