Close down
公共 Public关闭, 歇业, 停止播音
📖 牛津释义
close down
(of a radio or television station) stop broadcasting （指无线电台或电视台）停止广播
It is midnight and we are now closing down. 时间已到午夜, 本台现在停止广播. close (sth) down (cause sth to) stop functioning or operating; shut (sth) down permanently （使）停止运转或操作; 永久关闭; 倒闭
Many businesses have closed down because of the recession. 因经济衰退许多企业纷纷倒闭.
🧩 词语组成解析
close
[kloz]
adj. 紧密的;亲密的;亲近的;
vt. 关;结束;使靠近;
vi. 关;结束;关闭;
adv. 紧密地;
n. 结束;
clud(shut)→关闭；结束；接近的；亲近的；准确的
down
[daʊn]
adv. （坐、倒、躺）下;向下;（表示范围或顺序的限度）下至;
prep. （从高处）向下;（表示位置）在…的下方;（表示方向）沿着…向下;（表示时间）自…以来;
adj. 向下的;沮丧的;计算机或计算机系统停机;（以…）落后于对手的;
n. （鸟的）绒羽;绒毛;软毛;汗毛;
vt. 放下;（尤指大口或快速地）喝下;使摔倒;击落（敌机等）;
vi. [常用于祈使句中]下去;下来;卧倒;下降;
🗣️ 情景例句
I needed that.
我正需要这个。
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。