Taxus L. is a problematic genus, not only its species are discouragingly similar, but also its family circumscription are still doubtful.
红豆杉种属的问题,不但它的种类惊

似,而且其科的界限也非常模糊。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
All right, as a quick recap, the nicotine in tobacco affects different neurotransmitters and neural systems in the brain, which produces effects that are initially pleasant or enjoyable, but can become more problematic and unpleasant if smoking continues over time.
得!快速回顾一下:烟草中的尼古丁对大脑中多种神经递质和神经系统产生影响,最初
以产生愉悦感和欣快感,但随着吸烟成瘾,吸烟会引发诸多健康问
以
不适感。