black widow spider meaning in English
黑寡妇毒蛛, 致命红斑蜘蛛
黑寡妇球腹蛛
黑寡妇蜘蛛
Examples
- He brought . . . a black widow spider , a python , a stuffed rattler , a falcon , a dwarf rabbit
有一只黑寡妇蜘蛛，一条巨蟒，一条响尾蛇标本，一只猎鹰，一只侏儒兔。 - The amino acid sequences of about 100 kinds of spider toxin have been determined so far . their molecular weights were varied from 3 to 12kd except for black widow spider toxins , which were high molecular mass types . there were plenty of cysteine residues in their sequences
至今已有近百种蜘蛛神经毒素的一级结构被测定，除黑寡妇蜘蛛毒素为高分子量毒素外，其他蜘蛛神经毒素的分子量在3 - 12kd之间，不同种属来源的毒素同源性很小，序列中含有较多的半胱氨酸。