1. The artist's sketch was just an adumbration of the final masterpiece.
这位艺术家的草图只是最终杰作的一个预示。

2. The professor gave us a brief adumbration of the topics we would cover in the course.
教授简要地概述了我们在课程中将要涵盖的主题。

3. The dark clouds were an adumbration of the storm that was about to hit.
黑云是即将来袭的风暴的暗示。

4. The early results of the experiment provided an adumbration of the potential outcomes.
实验的初步结果预示了可能的结果。

5. The mysterious symbols on the ancient artifact were an adumbration of a lost language.
古代文物上的神秘符号预示了一种失传的语言。

6. The faint outline of the mountains in the distance was an adumbration of the breathtaking view that awaited us.
远处山脉的轮廓是等待我们的壮丽景色的预示。