🧩 词语组成解析
varsity
[['vɑ:siti]]
n. 大学运动代表队；大学
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
The road toll is higher during holiday periods.
在节假日期间路桥费比以往要贵。
To crawl
爬
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。