Power amplifier
[計] 功率放大器\\n[化] 功率放大器
?? 詞語組成解析
power
['pa??]
n. [機]動力，功率;力量;政權，權力;強國，大國;
vt. 運轉;用發動機發動;使…有力量;
vi. 靠動力行進;快速行進;
adj. 權力的;機械能的，電動的;用電力（或動力）發動的;
??? 情景例句
Are you still doing your photography?
你還在搞攝影嗎？
Don't make any mistakes.
別出差錯。
After watching the red-dressed women walk by, I went to the rooftop and watched workers weave wastebaskets.
看那群紅衣女郎走過，我爬上屋頂看工人們編垃圾筐。