🧩 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;
🗣️ 情景例句
parents are invited to attend--
家长被邀请来参加
Don't mention it.
不用谢。
I went on walking, bending down because the roof of the cave was not very high.
因为洞顶不是很高，我继续弯着腰往前走。