音量: loudness, volume...
英语: English (language)...
教养: to train, to educate, to bring up, to nurture, education, culture, upbringing, early conditioning...
士气: morale...
理科: the sciences (as opposed to the humanities )...
国内: domestic, internal (to a country), civil...
忙碌: busy, bustling...
健全: robust, sound...
爪子: (animal's) claw...
苦涩: bitter and astringent, pained, agonized...
