toggle

英文释义

n. any instruction that works first one way and then the other; it turns something on the first time it is used and then turns it off the next time
n. a fastener consisting of a peg or pin or crosspiece that is inserted into an eye at the end of a rope or a chain or a cable in order to fasten it to something (as another rope or chain or cable)
v. provide with a toggle or toggles