rapid

B2 CET-4 Oxf 3000 初中 FREQ #7198 ★★★★☆

a. 迅速的, 飞快的, 急促的, 陡的 n. 急流

发音

CA /ˈɹæpɪd/
UK /ˈɹæpɪd/
US /ˈɹæpɪd/

词形变化

rapids 复数 rapids more rapid 比较级 rapider rapidest rapider 比较级 most rapid 最高级 rapidest 最高级

教材释义与例句

名词

急流；高速交通工具，高速交通网

形容词

迅速的，急促的；飞快的；险峻的

happening or done very quickly and in a very short time

释义与例句

n.
  1. 1.

    Ellipsis of rapid chess.

    游戏
  2. 2.

    A rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water.

  3. 3.

    A burst of rapid fire.

    过时
adj. B2 Oxf 3000
  1. 1.

    Very swift or quick.

    快

    迅速

    急速

    快速

    急湍

    a rapid stream

    rapid growth

    rapid improvement

  2. 2.

    Steep, changing altitude quickly. (of a slope)

  3. 3.

    Needing only a brief exposure time. (of a lens, plate, film, etc.)

  4. 4.

    Violent, severe.

    方言
  5. 5.

    Happy.

    方言 废旧
adv.
  1. 1.

    Rapidly.

    古体 非正式

词汇关系

名词

上位词 1

waterway

整体词 1

river
形容词

同义词 1

speedy

近义相关 1

fast

相关短语

rapid eye movement 眼的迅速跳动 rapid fire n. 速射 rapid transit 高速铁路交通 rapid unplanned disassembly rapid fire pistol rapid fire pistols Rapid City n. 拉皮特城（美国城市） rapid transits rapid unplanned disassemblies rapid antigen test rapid antigen tests rapid chess rapid eye movements rapid unscheduled disassembly

词源

Etymology tree Proto-Indo-European *h₁rep- Proto-Indo-European *h₁rp-i-der. Proto-Italic *rapjō Latin rapiō Proto-Indo-European *dʰeh₁-der. Latin -idus Latin rapidusder. Middle French rapidebor. ▲ Latin rapidusbor. English rapid Borrowed from Middle French rapide and its etymon Latin rapidus.

来源：wiktionary