Letter of patent
[经] 专利证书
🧩 词语组成解析
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
patent
['pætnt]
n. 专利;专利品;专利权;专利证;
adj. 专利的;显然，显露;明摆着的;
vt. 获得…专利，给予…专利权;取得专利权;
🗣️ 情景例句
We prefer to have payment in US dollars. It may be difficult for us to do so.
我们用美元付款。用人民币支付可能有些困难。
Try not to be so timid when you speak.
你讲话的时候不要那么紧张。
I don't know.I've already had my holiday this year.
我不知道。今年我已度过假了。