quid

n.

一英镑，一磅金币；（咀嚼用的）一块，咀嚼物；抵偿物，交换物；

复数：quid

quid pro quo（拉丁）补偿物；相等物；交换条件；让步条件

1. And he turned his quid and spat.
   他把口中的烟草块转动了一下，吐了口痰。

Epidemiology of betel quid usage
VAPOR㎜IQUID㏒OLID MECHANISM OF SINGLE CRYSTAL GROWTH
Betel-quid and areca-nut chewing and some areca-nut derived nitrosamines
Prevalence of betel quid chewing habit in Taiwan and related sociodemographic factors
Head and neck cancer in the betel quid chewing area: recent advances in molecular carcinogenesis
Head and neck cancer in the betel quid chewing area: recent advances in molecular carcinogenesis
Role of areca nut in betel quid-associated chemical carcinogenesis: current awareness and future perspectives
On the van der Waals Theory of the Vapor㎜iquid Equilibrium. I. Discussion of a One〥imensional Model
Remission of oral leukoplakias and micronuclei in tobacco/betel quid chewers treated with beta-carotene and with beta-carotene plus ...
Alert for an epidemic of oral cancer due to use of the betel quid substitutes gutkha and pan masala: a review of agents and causativ...