spontaneous

形容词

1. 1

   临时的、一时兴起的、未经计划的

   We took a spontaneous trip to the coast last weekend.

   上周末我们一时兴起跑去海边玩。

2. 2

   自然的、不做作的、直率的

   She has a warm, spontaneous manner that puts people at ease.

   她个性亲切又不做作，让人很放松。

3. 3

   自发的、自动的指反应、动作

   The announcement drew spontaneous applause from the whole room.

   这项宣布让全场自发地鼓起掌来。

4. 4

   自发性的、自然发生的医学、科学

   Doctors said the bleeding was spontaneous and had no clear cause.

   医师说这种出血属自发性，并无明确原因。