Cordon sth off
封锁, 用警戒线围住
🧩 词语组成解析
[医] 生长激素
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
Are you sure?
你确定？
The day is long to him who knows not how to use it.
百无聊赖。
In 1975, a primitive machine called the Altair, was launched in the USA.
1975年，美国推出了一台被称为“牛郎星”的原始机型。