n. 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
n. following the first in an ordering or series
n. a 60th part of a minute of arc
n. the official attendant of a contestant in a duel or boxing match
n. 秒, 瞬间, 第二名, 支持者, 助手
a. 第二的, 其次的, 次要的, 附加的, 辅助的
num. 第二
vt. 当...助手, 支持