Back up
其它 Other支持, 倒退, 给...装上背衬
📝 例句
Don't back up the moment you run up against a little difficulty.
不要遇到一点困难就打退堂鼓。
Even if Melanie were dying, she couldn't go back up there.
哪怕梅兰快死了，她也不能回去的。
To back up tiles is tedious work.
把文档备份是一项枯燥无味的工作。
I wonder what has caused so many vehicles to back up here.
我不知道为什么会有这么多车辆阻塞在这里。
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
up
[ʌp]
adv. 在上面，在高处;起床，起来;向上;由低到高;
adj. 向上的;上升的;竖立的，垂直的;举起的;
vt.& vi. 增加;加速;提高;举起，拿起;
prep. 在…的上端;向高处;沿…而去;向…上游;
n. 上升，升高;兴旺，繁荣;上坡;（价格等）上涨;
🗣️ 情景例句
I like playing basketball and badminton.
我喜欢打篮球和羽毛球。
My fever is gone,but I still have a cough.
我的发烧好了，但是我仍然患咳嗽。
Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。