Nod sb back
点头示意某人回来
🧩 词语组成解析
nod
[nɑd]
vi. 点头;打瞌睡;上下摆动;变得粗心大意;
vt. 点头示意;使弯曲，使屈服;点头答应;
n. 点头;点头同意;打瞌睡，打盹;粗心大意;
[计] 栈底, 标准二进制, 减, 备用设备\\n[医] 锑(51号元素)
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;
🗣️ 情景例句
I recently broke up with my boyfriend. I was really bummed out.
最近我和男朋友分手了。我真沮丧。
Don't be a copycat!
别有样学样。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
岛上几乎没有一颗树，也没有淡水，但这不算什么问题。