英语词汇I am not sure if this is怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	I am not sure if this is
释义	if not — 若有 • 否则 • 不然 is not— 不是 • 未有 not sure— 没准儿 be sure not to— 切莫 be sure — 肯定 • 确信 • 保险 be sure to— 会 • 必定
随便看	eucalypt forest eucalypt species eucalyptus eucalyptus globulus eucalyptus grove eucalyptus oil eucalyptus pulp eucalyptus tree eu candidate eu candidate countries eu candidate country eu carbon market eu category 1 eu certificates eu certification eu Chamber eu chamber Eucharistic bread Eucharistic bread Eucharistic Congress Eucharistic ministers Eucharistic services eucharistic worship eu Charter of Fundamental rights eu Charter on Fundamental rights

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

if not —