Open riser
[机] 明冒口
🧩 词语组成解析
open
['opən]
adj. 敞开的，开着的;公开的，公共的;坦率的;有议论余地的;
vt.& vi. （打）开;开始;睁开;启动;
n. 户外，野外;空旷;公开;
vi. 使打开;展示，显现;
vt. 张开;开放;开张营业;为（建筑物）揭幕;
n. 起床者, 叛徒, 起义者, 竖板\\n[化] 上升管
🗣️ 情景例句
We had a good time.
我们玩得很愉快。
I'll go to a concert.
我要去听音乐会。
Dan wondered why he was wanted by the police, but he went to the station yesterday and now he is not worried anymore.
丹奇怪警察为什么找他，但昨天还是去了，结果他一再担心了。