例句： He smothered the baby with a pillow.

例句： The elephant's trunk is a unique form of appendage.

例句： His parents no longer have any real influence over him.

例句： Give him the dose of his own medicine.

例句： The members of the jury were discharged from their duties.

例句： Repairing cars is a dirty work.

例句： You really ought to/should do something about that cough!

例句： He occasionally reads books, but mostly just magazines.

例句： I can't concentrate on my work when I'm tired.

例句： The volcano spurted( out) molten lava.