Collapsible core
[机] 金属心型
🧩 词语组成解析
collapsible
[[kə'læpsəbəl]]
a. 可折叠的\\n[建] 可收缩的, 可折叠的
core
[kɔ:]
n. 中心，核心，精髓;果心，果核;[地质学]地核;[计] 磁心;
vt. 去（果）核，挖去…的果心;提取岩芯（样品）;
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
What's your nationality?Are you a Japanese?
你的国籍是什么？你是日本人？
This time he was barking so that someone would let him out! Since then, he has developed another bad habit.
这次它叫着让人把它放出去！从那以后，它养成了另外一种坏习惯。