Closing off
na. 结(账)；隔离；封锁；阻塞\\n
🧩 词语组成解析
n. 结束\\na. 结束的
off
[ɔ:f, ɔf]
prep. 从…落下;离开;从…去掉;下班;
adv. 离开;距，离;被取消;下班;
adj. 不新鲜的;不能接受;不礼貌;
n. 起跑;
v. 杀死;
🗣️ 情景例句
Who is that?
你是谁？
He is teasing a friend.
他在愚弄朋友。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，