catapult

听听怎么读

英 [ˈkætəpʌlt]

美 [ˈkætəˌpʌlt,-ˌpʊlt]

是什么意思

弹弓；石弩；飞机弹射器；弹射座椅

vt.

用弩炮发射；用弹弓射；用弹射器发射；猛投

vi.

用弹射器弹射；快速移动；

变形

复数：catapults过去式：catapulted过去分词：catapulted现在分词：catapulting第三人称单数：catapults

英英释义

catapult[ 'kætəpʌlt ]

n.
- a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones
  同义词：slingshotsling
- a device that launches aircraft from a warship
  同义词：launcher
- medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
  同义词：arbalestarbalistballistabricolemangonelonagertrebuchettrebucket
v.
- shoot forth or launch, as if from a catapult
  "the enemy catapulted rocks towards the fort"
- hurl as if with a sling
  同义词：sling

学习怎么用

双语例句

用作名词(n.)

The boy surrendered the catapult to the teacher.
那孩子把弹弓交给了老师。
The child broke his neighbor's window with a catapult.
这孩子用绷弓子打碎了邻居家的玻璃。
The catapult shot hundred-pound rocks at the enemy.
弩炮向敌人发射了上百磅石块。

用作动词(v.)

In the crash the driver (was) catapulted through the windscreen.
在事故中司机从挡风玻璃中(被)弹了出来。
Leaping is usually done with a springboard that catapults the performer high into the air.
跳跃运动通常利用能使表演者高高地弹入空中的跳板。

权威例句

Hydraulic catapult drive
The fern sporangium: a unique catapult.
Catapult mechanism renders the chaperone action of Hsp70 unidirectional
Biomechanics: A catapult action for rapid limb protraction
Flea-Inspired Catapult Mechanism for Miniature Jumping Robots
Botany: A record-breaking pollen catapult
Catapult-like release of mitochondrial DNA by eosinophils contributes to antibacterial defense.
Evidence for a vertebrate catapult: elastic energy storage in the plantaris tendon during frog jumping
Targeting Pancreatic Islets with Phage Display Assisted by Laser Pressure Catapult Microdissection
Tirapazamine plus cisplatin versus cisplatin in advanced non-small-cell lung cancer: A report of the international CATAPULT I study ...

同义词

slingshot hurtle barrel

c开头的单词