have no choice or option but to; cannot but; have to; can't help it; can't avoid[cedict]
運行
yùn xíngㄩㄣˋ ㄒㄧㄥˊ
be in motion; to move; to run[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
用
yòngㄩㄥˋ
to use[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]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
該
gāiㄍㄞ
that; the above-mentioned; most likely; to deserve; should; ought to; owe[cedict]
化合物
huà hé wùㄏㄨㄚˋ ㄏㄜˊ ㄨˋ
chemical compound[cedict]
和
héㄏㄜˊ
hèㄏㄜˋ
húㄏㄨˊ
huóㄏㄨㄛˊ
huòㄏㄨㄛˋ
and; together with; with; sum; union; peace; harmony; surname He[cedict]
cap (a poem); respond in singing[cedict]
to complete a set in mahjong or playing cards[cedict]