Optional interface
[计] 选择接口
🧩 词语组成解析
interface
['ɪntɚ'fes]
n. 界面;<计>接口;交界面;
v. （使通过界面或接口）接合，连接;[计算机]使联系;
vi. 相互作用（或影响）;交流，交谈;
inter在…之间，相互+face脸，面→ 界面；分界面，接触面
🗣️ 情景例句
Is smoking allowed on the train?
火车上允许吸烟吗？
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
The boys felt tired so they put out the fire and crept into their tent.
于是他们扑灭了篝火，钻进了帐篷。