jam on

1.

I had to jam on the brakes sharply to avoid hitting two schoolchildren.

我不得不紧急刹车以避免撞倒两个小学生。

2.

He spread some strawberry jam on his toast.

他把草莓酱涂在烤面包片上。

3.

He spread some apple jam on the bread.

他在面包上涂上苹果酱。