classifier for birds and certain animals, one of a pair, some utensils, vessels etc[cedict]
进行
jìn xíngㄐㄧㄣˋ ㄒㄧㄥˊ
to advance; to conduct; underway; in progress; to do; to carry out; to carry on; to conduct; to execute[cedict]
二十五
èr shí wǔㄦˋ ㄕˊ ㄨˇ
twenty five; 25[cedict]
次
cìㄘˋ
next in sequence; second; the second (day, time etc); secondary; vice-; sub-; infra-; inferior quality; substandard; order; sequence; hypo- (chem., meaning extra oxygen atom); classifier for enumerated events: time[cedict]
发射
fā shèㄈㄚ ㄕㄜˋ
to shoot (a projectile); to fire (a rocket); to launch; to emit (a particle); to discharge; emanation; emission[cedict]
试验
shì yànㄕˋ ㄧㄢˋ
experiment; test; experimental[cedict]
呢
neㄋㄜ˙
níㄋㄧˊ
(question particle for subjects already mentioned)[cedict]