英[?praim?ri ?en?d?i] 美[?pra?m?ri ?n?d?i]
[詞典] 原始能量，最初的（電子）能量;
[例句]The proportion of commercial renewable energy to the structure of primary energykeeps rising.
商品化可再生能源量在壹次能源結構中的比例逐步提高。