hand-held eech security unit hand-held speech security unit
Related Translations:
话: Ⅰ名词(说出来的能够表达思想的声音, 或者把这种声音记录下来的文字) word; talk 短语和例子留话 leave a message; leave word; 告别话 farewell; 收回自己的话 take back one's words; 说几句话 say a few words; 话一起涌到他的嘴边。 words rushed to his lips. 他们
持: 动词1.(拿着; 握着) hold; grasp 短语和例子持枪 hold a gun2.(持有; 保持) keep; hold 短语和例子持保留态度 have reservations; 持相反意见 hold a contrary opinion; 我仍然持过去的看法。 i still hold my former views.3.(支持; 保持) support; ma