A roll of
一卷
🧩 词语组成解析
roll
[rəul]
vt. 辗;使（眼球等）左右转动;（使）原地转圈;滚动;
vi. 左右摇晃;翻滚;开始移动，启动;
n. 名册;滚翻;
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];
🗣️ 情景例句
Sounds like ...
声音像……
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
But so far, the public has expressed its gratitude to the students in letters to the Press.
但到目前为止，公众已经向新闻界写信表达他们对学生们的感激之情了。