River channel sedimentation may aggravate flood control difficulties, and the sediment may centrally eject into the Yellow River.

河道淤积会加重防洪困难，其泥沙还可能集中排入黄河；

youdao

France has deployed 4, 000 troops since 11 January to help the Malian government eject Islamist militants who seized control of the north of the country last year.

BBC: France's military operation in Mali in 'final phase'

Armstrong's seemingly casual reaction to peril left his NASA colleagues in awe when, in May 1968, he picked exactly the right time to eject from a lunar landing simulator that had spun out of control.

CNN: Neil Armstrong, a hero who shunned fame