(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
地质学
dì zhì xuéㄉㄧˋ ㄓˋ ㄒㄩㄝˊ
geology[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]
来说
lái shuōㄌㄞˊ ㄕㄨㄛ
to interpret a topic (from a certain point of view); now we come to talk about it, ...[cedict]
还
háiㄏㄞˊ
huánㄏㄨㄢˊ
also; in addition; more; still; else; still; yet; (not) yet[cedict]