Definition
Deeply absorbed in thought; in a state of serious contemplation.
沉思
During the meeting, she often became sunk in thought, as if contemplating a complex issue.
在會議期間，她經常陷入沉思，好像在思考一個複雜的問題。
He sat alone in the garden, sunk in thought, enjoying the peaceful moment.
他獨自坐在花園裡，陷入沉思，享受這寧靜的時刻。
When she received the letter, she became sunk in thought, trying to understand its meaning.
當她收到這封信時，她陷入了沉思，試圖理解其中的含義。