takeoff

中文： 起飞

1. A launch or ascent into the air or into flight, such as of an aircraft, rocket, bird, high-jumper etc. (countable, uncountable) · The flight was smooth, but the takeoff was a little rough.· That high-jumper's takeoff needs some work.
2. The spot from which one takes off; in particular, the place from which a jumper rises in leaping. (countable, uncountable) · Encyclopaedia of Sport The take-off should be selected with great care, and a pit of large dimensions provided on the landing side.
3. The initial movement a surfer makes to start riding a wave. (countable, uncountable)
4. A parody or lampoon of someone or something. (countable, uncountable) · Weird Al's song "Lasagna" is a takeoff on the popular song "La Bamba".
5. A quantification, especially of building materials. (countable, uncountable) · I'll give you an estimate after I do the quantity takeoffs for the trusses and structural steel.

复数 takeoffs