| 单词 |
self-cleansing |
| 释义 |
self-ˈcleansing, ppl. a. (vbl. n.) [self- 1 b, f, 4.] Tending automatically to keep itself clean. Also as vbl. n.
1911H. S. Watson Sewerage Systems iii. 41 All sewers should be self-cleansing. 1921T. Goodhugh Operative Dental Surg. xviii. 262 Food in mastication cleans the teeth on the exposed surfaces, which are called ‘self-cleansing surfaces’. 1963J. Osborne Dental Mech. (ed. 5) viii. 147 The resin..may then be lightly polished to give a surface that is readily self-cleansing. 1978Jrnl. R. Soc. Med. LXXI. 718 In these situations, self-cleansing is less common and keratin may accumulate. |

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