n. someone regarded as certain to succeed
n. a notation cancelling a previous sharp or flat
n. (craps) a first roll of 7 or 11 that immediately wins the stake
a. in accordance with nature; relating to or concerning nature
n. 白痴
a. 自然的, 自然界的, 本能的, 天然的, 物质的, 正常的, 原始的, 自然数的