Vacuum expander
[化] 真空膨胀器\\n[医] 真空膨胀器
🧩 词语组成解析
expander
[ɪk'spændə]
n. 使增大者，使身体健壮的强身器具;
🗣️ 情景例句
My grandfather is very much alive and kicking.
我的祖父还健在。
She will be happy to speak in French or Chinese to any of you.
她会很高兴与你们中的某个人讲法语或中文。
These were the so-called mainframe machines.
它们被称为主机。