adj.关闭着的,封闭着的,密闭着的,保密的,<美>准备好了的,定了契约的
v.“close”的过去式和过去分词
He closed his door and started the quarter-mile walk down the hill.
他关上门,踏上了1/4英里长的下山路.
It'd be better for a place like this to remain closed.
像这种地方最好一直关闭。
He closed down the business and went into politics.
他关闭公司投身政治。