v.
①

...


用, 按...行动,

用于。
② 满足(义务)。
③ 跟上。随机(支付)。
act on, fulfill, fulfil, meet, keep up, keep up with, comply with, satisfy, follow, follow later, follow on later
vi.
① (

言)履行。遵守。信守。
② (法规/戒律/医嘱等)遵守。遵

。


。跟随。迎合。
③ (方向)抓住。固定。
④ (汇率/速度等)维持。维护。
fulfill(US), fulfil(UK), comply with, respect, follow, meet, hold, maintain