expectorate造句

1、Do not expectorate on the sidewalks.
不要在人行道上吐痰。

2、He began to expectorate small amounts of blood - streaked sputum.
他开始有少量带血丝的痰。

3、He began to expectorate small amounts of blood streaked sputum.
他开始有少量带血丝的痰。

4、He began to expectorate small amounts of blood-streaked sputum.
他开始有少量带血丝的痰。

expectorate翻译