| 正面 | 5561.optical 英 ['ɒptɪk(ə)l]美 ['ɑptɪkl]     |
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| 背面 |     释义： 1. in- "into, on" + tend- => intend-: turn one's attention, direct.2. super- + intend- + -ent.3. => overseer.adj. 光学的；眼睛的，视觉的 例句： 1. Sloping walls on the bulk of the building create an optical illusion.大楼主体的斜墙给人造成一种视错觉。 optical 视力的，光学的来自optic,眼的，眼睛的，引申词义视力的，光学的。 opticaloptical: [16] Greek optós meant ‘visible’ (it was presumably related to ophthalmós ‘eye’, source of English ophthalmic [17], and belonged to the general Indo-European family of ‘eye’/‘see’- words – including English eye itself – that goes back to the base *oqw-). From it was derived optikós, which has given English optic [16] and optical. Optician [17] originated as a French coinage.=> ophthalmicoptical (adj.)1560s, from optic + -al (1). Of abstract art, from 1964. Related: Optically." |