As a sit-back utility engineer since 1968, I simply could not take this grinding. I excused myself to AES and went back to PG&E.是什么意思_As a sit-back utility engineer since 1968, I simply could not take this grinding. I excused myself to AES and went back to PG&E.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句