Rhu
abbr. 放射性同位素热源装置（radioisotope heater unit）
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
I do want to see him now.
我现在确实很想去见他。