watchful 'wɒtʃful
释义
a. 注意的, 警戒的, 警醒的, (时间)醒着换过的
英文释义
a engaged in or accustomed to close observation
s experiencing or accompanied by sleeplessness
BNC词频排名: 11,612 | 当代语料库词频排名: 12,369