understand safety first
理解安全第一
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This test is to understand the safety of such techniques rather than the efficacy of the first step, and participants were not altered t cell will not be destroyed.
这一试验是搞清该类技术安全性而非疗效的第一步，并且参与者的未受改动的T细胞将不会被摧毁。
youdao
We understand the impact to the airlines ... but safety comes first.
CNN: Air travel paralyzed as volcanic ash cloud lingers
应用推荐
模块上移
模块下移
不移动