Leukotherapy
白细胞疗法
🗣️ 情景例句
or the subway ...
或者搭地铁……
There has been a great mistake.
发生重大的错误了。
Be careful! Don't throw your cigarette out of the window. If you do that, you may start a fire. Put it out in the ashtray.
当心！别把香烟丢到窗外。要是你那样做，会引起火灾的。把它熄灭在烟缸里。