| 释义 |
shielded, ppl. a.|ˈʃiːldɪd|
[f. shield n. and v. + -ed.]
1. a. Bearing a shield.
971Blickl. Hom. 221 Tweᵹen englas..ᵹesceldode and ᵹesperode. 1382Wyclif Ezek. xxxviii. 5 Men..alle sheeldid and helmyd. 1870Bryant Iliad viii. 269 Crowded close with steeds and shielded men. a1875R. S. Hawker in Byles Life (1905) 136 The charm'd and shielded Men.
transf.1830Tennyson Grasshopper Poems 109 Clap thy shielded sides and carol. 1883R. W. Dixon Mano i. v. 12 And through the seas the hidden isles they hunt In shielded vessels.
b. Nat. Hist. In names of various animals characterized by a hard shield-like carapace or scute.
1662Comenius' Janua Ling. Triling. 42 The shielded tortoise. 1854A. Adams, etc. Man. Nat. Hist. 244 Shielded-Bugs (Scutelleridæ). Ibid. 265 Shielded-Centipedes (Cermatiidæ). Ibid. 289 Shielded-Crabs (Dorippidæ). 1855J. E. Gray Catal. Shield Reptiles Brit. Mus. Introd., Shielded Reptiles (Cataphracta).
2. Furnished or hung with shields.
1805Scott Hellvellyn 27 With scutcheons of silver the coffin is shielded. 1876Morris Sigurd iii. (1910) 274 And thence forth to..the high-built shielded bale. 1892Brooke E.E. Lit. iv. 113 The shielded hall of Valhalla.
¶3. ? Emblazoned. nonce-use.
1820Keats Eve St. Agnes xxiv, And in the midst..A shielded scutcheon blush'd with blood of queens and kings.
4. techn. Protected by a ‘shield’.
1855Orr's Circ. Sci., Inorg. Nat. 247 With regard to the relative value of the different safety lamps that have been introduced, the shielded Davy may be said still to keep its place. 1884Pall Mall Gaz. 3 Oct. 12/1 Extremely fast ships,..mounting shielded guns of very great power. 1927Morning Post 8 Sept. 10/1 The high frequency stage should be screened, and if one of the new shielded valves is used the circuit will be a simple one, easily handled, and cheaply built. 1970J. Shepherd et al. Higher Electr. Engin. (ed. 2) vii. 225 For steady (or static) fields, the only method of achieving shielding is to provide a low-reluctance magnetic path for the stray flux, in such a way that this flux bypasses the shielded point. |