比如，多数化学博士既没见过也没用过美军用来防护神经性毒剂的那种防护装置。

For example, most Ph.D. chemists have neither seen nor used the type of protective gear the U.S. military requires for work with nerve agents.

youdao

比如，多数化学博士既没见过也没用过美军用来防护神经性毒剂的那种防护装置。

For example, most Ph.D. chemists have neither seen nor used the type of protective gear the U.S. military requires for work with nerve agents.

youdao