After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，捏碎不少粉笔，过后，教室地板上撒满了粉笔灰。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

摘上肠粪石阻塞都是以开腹方式处，或是以手捏碎，或是在粪石太大太硬，肠表面开洞取出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，捏碎不少粉，过后，教室地板上撒满了粉。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

要传统上小粪石阻塞都是以开腹方式处，或是以手捏碎，或是在粪石太大太硬时，从小开洞取出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，不少粉笔，过后，教室地板上撒满了粉笔灰。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

摘要传统上小肠粪石阻塞都腹方式处，手，在粪石太大太硬时，从小肠表面洞取出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，捏碎不少粉笔，后，教室地板上撒满了粉笔灰。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

摘要传统上小肠粪石阻塞都是以开腹方式处，或是以手捏碎，或是在粪石太大太硬时，从小肠表面开洞取出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，捏碎不少笔，过后，教室地板上撒笔灰。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

摘要传统上小肠粪石阻塞都是以腹方式处，或是以手捏碎，或是在粪石太大太硬时，从小肠表面出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，捏碎不少粉笔，过后，教室地板上撒满了粉笔灰。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

摘要传统上小肠石以开腹方式处，或以手捏碎，或石太大太硬时，从小肠表面开洞取出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，捏碎笔，过后，教室地板上撒满了笔灰。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

摘要传统上小肠粪石阻塞都是以开腹方式处，或是以手捏碎，或是在粪石太大太硬时，从小肠表面开洞取出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

那班顽皮学生闹著玩儿，捏碎不少粉笔，过后，教室地板上撒满了粉笔。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

传统上粪石阻塞都是以开腹方式处，或是以手捏碎，或是在粪石太大太硬时，从面开洞取出。

After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.

顽皮学生闹著玩儿，捏碎不少粉笔，过后，教室地板上撒满了粉笔灰。

Treatment of bezoar-induced intestinal obstruction is usually performed by an open approach, with either digital fragmentation or removal of the bezoar via enterotomy.

摘要传统上小肠粪石阻塞都是以开腹方式处，或是以手捏碎，或是在粪石太大太硬时，从小肠表面开洞取出。