Flak vest
n. 防弹背心
🧩 词语组成解析
flak
[flæk]
n. 高射炮;过分的或抨击性的批评;争吵，敌对;
vest
[vɛst]
n. 马甲;防护衣;内衣;（印有运动员编号的）运动背心;
vi. 合法地被授予;给自己装上教服;
vt. 授权;赋予;穿衣服，穿教服;
vest衣服 → 穿在里面的衣服 → 汗衫，背心，内衣
🗣️ 情景例句
Good for you.
我真为你高兴。
I would like to go to school, Do you want to go, too?
我要去学校，你是不是也要去？
I don't know. I think he's very old.
不知道。我想他年纪一定很大了。