Roll tubes
[医] 旋转管
🧩 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;
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
He likes playing the drum.
他喜欢打鼓。
We could visit the town of Aswan.
我们可以游览阿斯旺城。