HSK 5 · verb
试验
to test; to try; test; trial
新药要经过多次试验。
Xīn yào yào jīngguò duō cì shìyàn.
New medicines have to go through many tests.
HSK 5 · verb
to test; to try; test; trial
新药要经过多次试验。
Xīn yào yào jīngguò duō cì shìyàn.
New medicines have to go through many tests.