Vocabulary consisting only from characters you are able to read
投入
とうにゅう
(1)throwing (e.g. something into somewhere), (2)investment, putting in (personnel, etc.), (3)release of a product, (4)making (an electrical circuit) suru
Take care of your self. (for sick or injured person)byouki, jlpt4
果たして
はたして
(1)as was expected, just as one thought, sure enough, as a result, (2)really? (in questions), ever? mix
上司
じょうし
superior authorities, bossjlpt3
一次(の)
いちじ(の)
first/primary/linear (equation)/first-orderadj, leda1
同世代
どうせだい
same generation, one's generationmix