Annular ulcer
[医] 环状溃疡
🧩 词语组成解析
annular
[['ænjulə]]
a. 环形的\\n[医] 环状的
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Exactly what do you want from me, Mrs. Stewart?
究竟对我有什么要求， Stewart太太？
Would you like to arrange for a personal interview?
你想安排面谈吗？
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，