为延长局麻作用时间和防止局麻药吸收中毒，常在局麻药液中加少量（）
B
暂无解析
Washerisamachine____(用它我们洗衣服)orapersonwhoiswashing.
Getoffthetreadmill
Johngotbeateninthegame,____hadbeenexpected.
Whoistheman____(你刚才在操场和他握手)?
Schedulingameetingissimple-butdoesnotensure__itwillserveausefulpurpose.