基本解释n.注冊同根派生 英汉例句用作名詞 (n.)Google on Tuesday announced to open signups of its social network "Google+" after a 90-day invitation-only trial run.穀歌周二宣佈Google+社交網絡曏公衆開放注冊。在此之前，Google+已經進行了90天的試運行，不過衹有通過成員邀請才能加入。