Closed loop tracking
[電] 閉環追蹤
?? 詞語組成解析
closed
[klozd]
adj. 關閉著的，封閉著的;密閉著的，保密的;<美>準備好了的，定了契約的;
v. “close”的過去式和過去分詞;
clos=close關閉+ed已...的→關閉了的
loop
[lup]
n. 圈，環;[醫]宮內避孕環;回路;彎曲部分;
vt.& vi. （使）成環，（使）成圈;以環連結;使翻筋斗;
tracking
['tr?ki?]
n. 跟蹤;
v. 跟蹤( track的現在分詞 );跟蹤攝影;留下（臟）足跡;追隨（潮流等）;
??? 情景例句
Do it for Robbie, Dad.
爸爸 ，給Robbie示范示范。
The United Nations conference is projected for next year.
聯合國大會預定明年召開。
He told him he had better return it or he would call the police.
告訴他最好把羊交還，否則就去叫警察。