working in a laboratory environment on experiments or research
在实验室环境中进行实验或研究 (zai shiyan shi huanjing zhong jinxing shiyan huo yanjiu)
"The new vaccine is currently being tested in the lab before it’s released to the public."
"新疫苗正在 在实验室 进行测试，之后将向公众发布。" (Xin yimiao zhengzai zai shiyan shi jinxing ceshi, zhihou jiang xiang gongzhong fabu.)
A difficult task or situation to handle.
to become aware or informed about something
to change and adapt as things in society or technology chang...
to start over or make a fresh beginning
to be honest, moral, and respectable
a period of difficulty or trouble
