"divided into three lobes," 1620s, from Latin trifidus "cleft in three," from tri- "three" (see tri-) + -fid. This adjective probably inspired triffid, the name of the three-legged walking poisonous plants in John Wyndham's novel "The Day of the Triffids" (1951).
权威例句
1. The Trifid Nebula itself represents the final phase of star formation.
三叶星云本身代表着恒星形成的最后阶段.
2. The Trifid is a little dimmer than the Lagoon.
三叶星云比泻湖星云稍暗一些.
3. Trifid got its name because in photographs it has three distinct lobes.
三叶星云是由于在照片中呈现出三片叶子形状而得名.
4. Tenth, we see a fragment of the Trifid Nebula, a stellar cradle to 9000 light - years .