单词	tracking loop
释义	tracking loop追蹤環電子工程
随便看	to call a thing to remembrance to call at one's house to call away to call back to call back, as a person to call back, to revoke to call down, as a person to call down, as judgement to call down, as judgment to call down calamity to call ducks to call for to call forth to call forth, to bring to action to call fowls to call in to call in, as a person to call in, as debt to call in, as notes from circulation to call in money to call in question to call in question, to make a question of to call in the watch to call name s to call off