Carltor tube
[医] 坎特尔氏管(一种带有汞头的管)
🧩 词语组成解析
🗣️ 情景例句
Mary and Arnold are going steady.
玛丽和阿诺德正式成为情侣。
John is really scared of airplanes.
约翰真的很怕乘坐飞机。
They come in cases of five.
它们是五个一箱。