| 单词 | annular |
| 释义 | annular —annularity, n. —annularly, adv. /an"yeuh leuhr/, adj. 1. having the form of a ring. 2. (of a carpenter's nail) having a series of concentric grooves to improve holding power. [1565-75; < L annularis, equiv. to annul(us) ring (var. of ANULUS) + -aris -AR1] |
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