创伤: wound, injury, trauma...
例如: for example, for instance, such as...
肇事: to cause an accident, to be responsible for an incident, to provoke a disturbance...
口腔: oral cavity...
公事: work-related matters, documents...
华语: Chinese language...
不再: no more, no longer...
容易: easy, likely, liable (to)...
二手: indirectly acquired, second-hand (information, equipment etc), assistant...
安装: to install, to erect, to fix, to mount, installation...
