by (indicates passive-voice sentences or clauses); to cover; to wear[cedict]
广泛
guǎng fànㄍㄨㄤˇ ㄈㄢˋ
extensive; wide range[cedict]
用
yòngㄩㄥˋ
to use[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
海军
hǎi jūnㄏㄞˇ ㄐㄩㄣ
navy[cedict]
舰艇
jiàn tǐngㄐㄧㄢˋ ㄊㄧㄥˇ
naval vessels[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]