adj 复合的，多个(项，部分)组成的(having or including many different individuals，elements，parts or types)[作attrib]：a youth of～injuries/handicaps/gunshot wounds/interests 一位受多重创伤/患多功能障碍/遭多处枪伤/有多种兴趣的青年;a～crash on the motorway/collision in fog高速公路连环撞车事故/雾天多辆汽车相撞事件;a～shop(store)/lock/birth连锁店/多功能锁/多胎生育;a～-choice examination 多项选择题考试;〖同〗manifold，collective;

n 倍数(quantity that contains another quantity， an exact number of times)[C][N(of)]：15 is a～of 3. 15是3的倍数。6，12，and 24 are common～s of 2 and 3. 6、12、24是2和3的公倍数。6 is the least common～(LCM) of 2 and 3. 6是2和3的最小公倍数。