decisively词根是：
decide
美 /dɪˈsaɪd/
英 /dɪˈsaɪd/
vt.
决定；解决；判决
vi.
决定，下决心
过去式 decided
过去分词 decided
现在分词 deciding
第三人称单数 decides
双语例句:
It is difficult for the manager to decide which of the two interviewees is more suitable for this job.
经理很难在这两个面试者中决定谁更合适这个职位。
