mesopause

英 ['mezəpɔːz] 美 ['mezəˌpɔːz]

• n. 中圈顶

例句

用作名词 (n.)

1. Noctilucent clouds are ragged extensions of a more widespread and more permanent layer which forms over the summer polar area at the mesopause.
   夜光云是在夏季极地中圈顶之上形成的更广泛更持久的层的参差不齐的延伸。