retainer
UK/ri'teinә/US
GREB1
释义
n.
A fee paid in advance to secure someone's services
预付聘金；定金
n.
A wire device worn to keep teeth in position
牙齿保持器
n.
(old use) A servant or follower kept by a household
（旧时）家臣；侍从
词根拆分
词根派生retain + -er = 被"留住"的东西或人。三个义项都关乎"保持"：retainer fee 让律师随时待命，dental retainer 让牙齿保持原位，loyal retainer 是贵族家中留用的侍从。
词根 tain 还连着 87 个词常用搭配
- 1.pay a retainer支付聘金
- 2.on retainer受聘待命
- 3.dental retainer牙齿保持器
- 4.monthly retainer每月聘金
例句
- 1.
The firm pays its consultant a monthly retainer.
公司每月付给顾问一笔聘金。
- 2.
She has to wear a retainer at night after her braces came off.
摘掉牙套后她晚上得戴牙齿保持器。