/ˈkwɒntəti ||; ˈkwɑntətɪ/noun (
plural quantities) [C,U]
1 a number or an amount of sth 量；数量: Add a small quantity of salt. 加少量盐。It's cheaper to buy goods in large quantities. 大批购入货品比较便宜。
2 a large number or amount of sth 大批；大量: It's cheaper to buy goods in quantity. 大批购入货品比较便宜。
an unknown quantity→
UNKNOWN¹