Block off
成人 Adult Edu关闭, 封闭, 封锁
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
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
Will dinner be served on this train?
火车上供饭吗？
I'm going to show him how to write.
我正要指点他如何写字。
Excuse me. Are you a new student?
请问，你是新同学吗？