burette
n
(chemistry 化) glass tube with a tap, used for measuring small quantities of liquid let out of it 滴定管; 量管.
??? 情景例句
Now, come on, son. Come on, son.
醒醒, 孩子。醒醒, 孩子。
Use your head!
動一下腦筋吧!
and these will ply the short wings with such irresistible power that they can bore for long distances through an opposing gale before exhaustion follows.