Self-checkout
（让顾客在无收银员的情况下）自行付费结帐的零售系统
🧩 词语组成解析
self
[self]
n. 自己;本人;本性;私利;
adj. 同一的;纯净的;单一的;
vt. 使自花授精;使近亲繁殖;
vi. 自花授精;
checkout
['tʃekaut]
n. 检验，校验;结帐;
🗣️ 情景例句
Where exactly is it?
到底在哪里？
I can't help but be astonished by that acrobat.
我不能不为那杂技演员的表演而深为惊讶。
When he woke up, he was still on the mattress.
他醒来时，仍然躺在床垫上。