deep in thought

陷入沉思

例句与用法：

She sat there deep in thought.

她坐在那儿沉思着。

She sat, deep in thought.

她坐在那儿沉思默想。

Deep in thought and heedless of present circumstances or activities; preoccupied.

心不在焉的，茫然的陷入沉思且未注意到周围的情况或活动的; 出神的

He is deep in thought.

他陷入沉思。