rattle

• 名词，指一连串短促而响亮的声音，常与呼吸道疾病有关，也指摇动时发出敲击声的婴儿玩具，以及响尾蛇尾端可自由活动的角质环节。

A noun referring to a rapid series of short, loud sounds, often associated with respiratory disorders or a baby's toy that makes percussive noises when shaken, as well as the loosely connected horny sections at the end of a rattlesnake's tail.

1. Respiratory soundB2formalmedical

   A rapid series of short, loud sounds heard in the chest, often associated with certain respiratory conditions.

   湿啰音

   • The doctor listened to the rattle in the patient's lungs.
   • A distinct rattle was audible through the stethoscope.
   • The nurse noted a persistent rattle during the examination.

   同义词cracklecrepitationrale

2. Baby's toyA2formal

   A toy designed for infants that produces percussive noises when shaken.

   摇铃

   • The baby played happily with her colorful rattle.
   • He shook the rattle to get the infant's attention.
   • The rattle made a soft, soothing sound.

3. Rattlesnake tailB1formal

   The loosely connected, horny segments at the end of a rattlesnake's tail that produce a warning sound when vibrated.

   响尾蛇尾环

   • The rattlesnake shook its rattle as a warning.
   • The sound of the rattle is unmistakable in the wild.
   • The snake's rattle is made of keratin segments.

• 指发出或使某物发出连续而短促的尖锐响声。

A verb used to indicate the act of making a rapid series of short, sharp sounds, or to cause something to do so.

1. Make a rapid series of short, sharp soundsB1formal

   To produce a quick succession of short, hard sounds, often by shaking or hitting something.

   发出咔嗒声

   • The windows rattled in the strong wind.
   • The old engine rattled loudly when started.
   • The loose chain on the bicycle rattled as he rode.

   同义词bangclackclangclankclatterclickclinkjanglejingletinkle

2. Shake and cause to make a rattling noiseB1formal

   To shake something so that it makes a series of short, sharp sounds.

   使发出嘎嘎声

   • He rattled the box to see what was inside.
   • She rattled the keys in her hand impatiently.
   • The wind rattled the loose shutters on the house.

   同义词clankclatterclinkjangleshake

短语动词变体rattle downrattle offrattle on