B power supply
[电] B功率源, B电源
🧩 词语组成解析
power
['paʊɚ]
n. [机]动力，功率;力量;政权，权力;强国，大国;
vt. 运转;用发动机发动;使…有力量;
vi. 靠动力行进;快速行进;
adj. 权力的;机械能的，电动的;用电力（或动力）发动的;
supply
[sə'plaɪ]
vt. 供给;补充;弥补（缺陷、损失等）;向…提供（物资等）;
n. 供给物;储备物质;粮食;
vi. 暂代他人职务;
sup在下面+ply重叠，折叠→重叠下去→供应[下去],补给
🗣️ 情景例句
How much did you estimate this job is going to cost us?
你估计这工作要花我们多少钱？
I'm going to show him how to write.
我正要指点他如何写字。
Tazieff was able to set up his camp very close to the volcano while it was erupting violently.
当火山正在猛烈地喷发时，塔捷耶夫有办法把帐篷搭在离它非常近的地方。