1. 指“軍隊(duì)”，既指“軍隊(duì)”的總稱，也側(cè)重指“陸軍”。比較：navy 海軍 / air force 空軍2. 用作主語，謂語動(dòng)詞用單數(shù) (從整體考慮)或復(fù)數(shù) (從個(gè)體考慮)均可：The army was [were] wiped out. 這支軍隊(duì)被消滅了。3. “參軍”及相關(guān)說法有兩類，請(qǐng)注意區(qū)別：(1) join the army / go into the army / become a soldier / enter the army：它們均為終止性動(dòng)詞，不能與一段時(shí)間連用。：它們均為終止性動(dòng)詞(2) be in the army / be a soldier：均說明狀態(tài)，可與一段時(shí)間連用。他參軍10年了。正：He joined [went into] the army ten years ago. 正：He has been in the army for ten 正：He has been a soldier for ten years. 誤：He joined [went into] the army for ten years.