certain英语

一个单词 certain(adj.)的(adv.)形式当然,无疑以及他的同义词确定,肯定 几个填空 只剩下大约1,600只 There are only about 1600___ It is said that the Sshara D___is spreading bit by bit

1、certain英[ˈsɜːtn]美[ˈsɜːrtn]，pron.(不提及人或事物的名称时用)某些;adj.肯定; 确定; 确实; 确信; 无疑; (不提及细节时用)某事，某人，某种; 某某，某位，一位叫…的; 轻微的。 2、[例句]Certain of those present were unwilling to discuss the matter further.某些在场的人不愿意进一步讨论这个问题。