Day 929 
--- Proverbs ---
※ 原句 ※
One drop of poison infects the whole tun of wine.
一滴毒药足以毒化整桶酒。
--- Oxford dictionary ---avid adj.
①[usually before noun] very enthusiastic about sth (often a hobby)
热衷的;酷爱的
syn. keen
an avid reader / collector
酷爱阅读/收藏的人
She has taken an avid interest inthe project (=she is extremely interested in it).
她对这个项目入了迷。
②avid for sth
wanting to get sth very much
渴望的;渴求的
He was avid for more information.
他渴望知道更多信息。
avidity n.
avidly adv.
She reads avidly.
她如饥似渴地阅读。
avionics n.
①the science of electronics when used in designing and making aircraft
航空电子学
②[pl.] the electronic devices in an aircraft or a spacecraft
航空(或航天)电子设备
avionic adj.
avocado n. (pl. -os) (also avocado pear)
a tropical fruit with hard, dark green skin, soft, light green flesh and a large seed inside.Avocados are not sweet and are sometimes eaten at the beginning of a meal.油梨,鳄梨(热带水果,皮硬呈深绿色,肉软呈浅绿色,核大)
avocation n.
(formal) a hobby or other activity that you do for interest and enjoyment
业余爱好
avocet n.
a bird that lives on or near water, with long legs and black and white feathers
反嘴鹬(腿长、羽毛黑白相间的涉禽)