(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
这个
zhè geㄓㄜˋ ㄍㄜ˙
this; this one[cedict]
星球
xīng qiúㄒㄧㄥ ㄑㄧㄡˊ
celestial body (e.g. planet, satellite etc); heavenly body[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]
中国
guó ㄍㄨㄛˊ
China; Middle Kingdom[cedict]
政府
zhèng fǔㄓㄥˋ ㄈㄨˇ
government[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
世界
shì jièㄕˋ ㄐㄧㄝˋ
world[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]
最
zuìㄗㄨㄟˋ
most; the most; -est[cedict]
严重
yán zhòngㄧㄢˊ ㄓㄨㄥˋ
grave; serious; severe; critical[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]