acid
n
1 [U, C] (chemistry 化) substance that contains hydrogen, which can be replaced by a metal to form a salt 酸(能被金屬置換出氫而成為鹽的物質)
Vinegar contains acetic acid. 醋中含有醋酸.
Some acids burn holes in wood. 有些酸能把木頭燒成洞. Cf 參看 alkali.
2 [C] any sour substance 酸味物質.
3 [U] (sl 俚) = LSD.
4 (idm 習語) the `acid test test that gives conclusive proof of the value or worth of sth/sb 決定性考驗
The acid test of a good driver is whether he remains calm in an emergency. 衡量駕駛員水平的決定性考驗, 就是看他在緊急關頭能否保持鎮靜.
acid adj
1 having a bitter sharp taste; sour 酸味的; 酸的
A lemon is an acid fruit. 檸檬是一種酸的水果.
Vinegar has an acid taste. 醋有酸味.
2 (fig 比喻) severe; sarcastic 尖酸刻薄的; 譏諷的: an acid wit 譏諷的才智
His remarks were rather acid. 他的話有些尖酸刻薄.
3 (chemistry 化) having the essential properties of an acid 酸性的. Cf 參看 alkaline (alkali).