Veillon tube
[医] 韦永氏管(一段玻管,一端塞以橡皮塞,一端塞以棉花,培养细菌用)
🧩 词语组成解析
🗣️ 情景例句
And thank you, Mrs. Vann.
谢谢！Vann太太。
Nothing venture, nothing have.
不入虎穴，焉得虎子。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。