Letter-drop
n. (邮局/信箱的)投信口
🧩 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;
drop
[drɑp]
vt.& vi. （使）落下;投下;（使）降低;减少;
vt. 放弃;停止;（故意）降下;垂下（眼睛）;
n. 滴;空投;降落;少量;
vi. （水或其他液体）滴;结束;（因受伤或死等）倒下;退出;
🗣️ 情景例句
You really miss your family, don't you?
你非常惦念你的家人是吗？
After my core courses are finished, I'll be doing independent study.
在完成基础课程之后，我将作独立的研究。
Computers have become smaller and smaller, more and more powerful and cheaper and cheaper.
计算机已经变得体积越来越小，功能越来越多，价格越来越低，