acid
n
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.
2 [C] any sour substance 酸味物质.
3 [U] (sl 俚) = LSD.
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 adj
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.
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.
3 (chemistry 化) having the essential properties of an acid 酸性的. Cf 参看 alkaline (alkali).
If money be not thy servant, it will be thy master.
不做金钱的主人,就会做金钱的奴隶。
One of the most famous monuments in the world, the Statue of Liberty, was presented to the United States of America in the nineteenth century by the people of France.