lose/keep trace/track (of)
保养
keep【科技】;maintenance【科技】;upkeep【科技】
暂无补充释义。
相关词条
keep sth. a secret from sb.
Keep dry
keep out of
keep quiet
keep down
keep under control
keep on
keep【科技】;maintenance【科技】;upkeep【科技】
暂无补充释义。
lose/keep trace/track (of)
keep sth. a secret from sb.
Keep dry
keep out of
keep quiet
keep down
keep under control
keep on