| [/ˈæsɪd; ˋæsɪd/] n 用法:
1 [U, C] (chemistry 化) substance that contains hydrogen, which can be replaced by a metal to form a salt 酸（能被金属置换出氢而成为盐的物质）:
Vinegar contains acetic acid. 醋中含有醋酸. *
Some acids burn holes in wood. 有些酸能把木头烧成洞. Cf 参看 alkali. 用法:
2 [C] any sour substance 酸味物质. 用法:
3 [U] (sl 俚) = LSD. 用法:
4 (idm 习语) the `acid test test that gives conclusive proof of the value or worth of sth/sb 决定性考验:
The acid test of a good driver is whether he remains calm in an emergency. 衡量驾驶员水平的决定性考验, 就是看他在紧急关头能否保持镇静. acid 2
[/ˈæsɪd; ˋæsɪd/] adj 用法:
1 having a bitter sharp taste; sour 酸味的; 酸的:
A lemon is an acid fruit. 柠檬是一种酸的水果. *
Vinegar has an acid taste. 醋有酸味. 用法:
2 (fig 比喻) severe; sarcastic 尖酸刻薄的; 讥讽的:
an acid wit 讥讽的才智 *
His remarks were rather acid. 他的话有些尖酸刻薄. 用法:
3 (chemistry 化) having the essential properties of an acid 酸性的. Cf 参看 alkaline (alkali). |