unattackable

['ʌnə'tækəbl]

adj. 耐侵蚀的

例句与用法：

An unattached body cell, such as a blood or lymph cell.

活细胞孤立的身体细胞，例如血球细胞、淋巴细胞

Not in love or married; unattached.

未婚的没有谈恋爱或未结婚的; 未婚的