讲解：

equivalent (of / to sth)
相等的东西；等量；对应词:

Send 20 dollars or the equivalent in your own currency.

寄 20 美元或等值的国家货币。

be controversial
引起争论的；有争议的:
Winston Churchill and Richard Nixon were both controversial figures.
温斯顿 · 邱吉尔和理查德 · 尼克松都是有争议的人物。

boil away
(使)沸腾；煮沸；烧开:
The water was bubbling and boiling away.
水在咕嘟咕嘟地沸腾着。

sprinkle A on / onto / over B / ~ B with A
撒；洒；把…撒(或洒)在…上:
She sprinkled sugar over the strawberries.
她在草莓上撒了点糖。

serve sth (with sth) /sth (to sb) /sb sth
(给某人)提供；端上:
Breakfast is served between 7 and 10 a.m.
早餐供应时间从 7 点到 10 点。

get a kick
极度刺激；极度兴奋；极大的乐趣
I get a kick out of driving fast cars.
开快车给我带来极大的乐趣。

a layer of
层；表层:
A thin layer of dust covered everything.
所有的物品上都积了薄薄的一层灰尘。