🧩 词语组成解析
a. 传阅的, 广泛传送的
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;
🗣️ 情景例句
Is this your best price?
这是你们最优惠的价格吗？
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
The question became one of whether Man could control the disease he had invented.
现在的问题是，人类能否控制住这种人为的疾病。