closed circuit
adj. 闭路式的
n. 闭路
例句与用法:
Fishing is a closed book to me.
我对钓鱼是一窍不通。
Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。
Nuclear physics is a closed book to most of us.
我们大多数人对原子核物理学一窍不通。
词形变化:
形容词: closed-circuit |
ph.
【电】闭合电路; 闭路电视