V2EX power bank

Power Bank

释义 Definition

“Power bank” 指移动电源/充电宝:一种便携式电池设备,用于给手机、平板等电子设备通过 USB 等接口充电。(也常写作 powerbank;在不同语境下还可泛指“备用电源”。)

发音 Pronunciation (IPA)

/par bk/

例句 Examples

I forgot my power bank at home, so my phone died.
我把充电宝忘在家里了,所以手机没电关机了。

During the hike, we shared a power bank to keep our GPS and phones charged in case of an emergency.
徒步时,我们共用一个移动电源,以便在紧急情况下让 GPS 和手机保持有电。

词源 Etymology

该词为现代合成词:power(电力/能量)+ bank(“储存之处”的引申义,如 bank 可表示“储备、堆积”)。因此 power bank 字面意思接近“能量储备库”,在消费电子语境中特指便携式外置电池充电设备。

相关词 Related Words

文学作品用例 Literary Works

“Power bank” 属于较新的消费电子词汇,常见于现代新闻、产品说明、旅行写作与当代小说的日常场景描写中;在经典文学作品中出现较少。较可能出现在近二十余年的当代英语作品(尤其是涉及旅行、科技或都市生活的文本)里。

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