of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]
really and truly[cedict]
aim; clear[cedict]
用来
yòng láiㄩㄥˋ ㄌㄞˊ
to be used for[cedict]
调节
tiáo jiéㄊㄧㄠˊ ㄐㄧㄝˊ
to adjust; to regulate; to harmonize; to reconcile (accounting, etc)[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
机翼
jī yìㄐㄧ ㄧˋ
wing (of aircraft)[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]