单词 semi-rigid 释义 semi-rigid, a. and n.[semi- 1, 8 l.]A. adj. a. Of an airship: having a flexible gas container to which is attached a stiffened keel or framework.1908Daily Chron. 6 Aug. 1/2 The so-called semi-rigid airships.1919H. Shaw Text-bk. Aeron...