| 单词 | longitudinal |
| 释义 | longitudinal —longitudinally, adv. /lon'ji toohd"n l, -tyoohd"-/, adj. 1. of or pertaining to longitude or length: longitudinal measurement. 2. extending in the direction of the length of a thing; running lengthwise: a thin, longitudinal stripe. 3. Zool. pertaining to or extending along the long axis of the body, or the direction from front to back, or head to tail. 4. pertaining to a research design or survey in which the same subjects are observed repeatedly over a period of time. n. 5. a longitudinal framing member, as in the hull of a ship. [1535-45; < L longitudin- (s. of longitudo; see LONGITUDE) + -AL1] |
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