| 释义 |
ˈup-grade, n. and adv. orig. U.S.
[up- 2 b.]
1. a. An upward slope or incline.
1873J. H. Beadle Undevel. West xv. 257 Forty miles of staging over boulder and rocky up-grade. 1888J. Pennell Sent. Journey 236 There were so many long up-grades, and the sign-posts were all wrong. 1893K. A. Sanborn Truthf. Wom. S. California 87, I have no taste for overtaking runaway mules on a steep and interminable up-grade.
b. adv. Uphill.
1899Lutheran (Phila.) 6 Apr. 327 A railroad train will go for some distance upgrade after the engine is detached.
2. on the upgrade, ascending, rising; improving.
1892Daily News 26 Sept. 2/4 In the iron trade..demand seems to be on the up grade. 1914A. Bennett Price of Love vi. 110 ‘Auntie still on the up-grade?’ he inquired... He guessed..that Mrs. Maldon must be still better. 1926Ladies' Home Jrnl. Oct. 143 Monty's been the hardest child we've had to handle,..but I believe he's on the upgrade. 1951‘J. Tey’ Daughter of Time iv. 55 Don't you worry. I'm on the up-grade. Even my temper has improved. 1972Daily Tel. 21 Jan. 1/2 Various indices..show that the economy is now firmly on the upgrade.
3. [f. the vb.] An upgraded version. Also, an upgrading to a higher standard (chiefly, in Computers, to a larger and more powerful system).
1980Nature 17 Apr. 599/1 The upgrade of this facility, PBFA-II, will deliver 3.5 MJ at 100 TW and will be available for experiments in 1986. 1982Which Computer? June 55/2 They can reach down to the more sophisticated microcomputer user, holding out the possibility of an upgrade to a larger machine. 1983What's New in Computing Jan. 30 (Advt.), PT7/s powerful local processing..allows simpler planning of mainframe upgrades.
Sense 3 in Dict. becomes 3 b. Add: [3.] a. That which serves to upgrade or improve; an additional feature or enhancement. Chiefly N. Amer.
1979Tucson (Arizona) Citizen (Advt. Suppl.) 28 Apr. 16/7, 3 bedroom, 13/4 bath, family room, many upgrades, ready to move into. Priced at $51,500. 1989San Diego Oct. 57/3 This elegant home has beautiful upgrades like tiled floors. 1991Unix World Jan. 27/2 Some high-level features previously limited to workstations include a 24-bit Z-buffer as an optional upgrade (for the AT board only), as well as single or double buffering. |