If something is surmounted by a particular thing, that thing is on top of it.
The island is surmounted by a huge black castle.
怎么说...其实这个词不算严格意义上的熟词生义，因为可能有些同学不认识这个词语。它作为动词最常见的意思是“克服;解决”【If you surmount a problem or difficulty, you deal successfully with it.】
If you bask in someone's approval, favour, or admiration, you greatly enjoy their positive reaction towards you.
He has spent a month basking in the adulation of the fans back in Jamaica.
Livy smiled and basked in Rachel's approval.
If a structure, part of someone's body, or someone's mind is sound, it is in good condition or healthy.
①Although the car is basically sound, I was worried about certain areas.
②His body was still sound.
大家好，这里又来给大家安利霉霉的歌曲 Safe and Sound ,其实它本身就是一个短语，表示“安然无恙”
He telegraphed that he had arrived in London safe and sound.
这里再补充一个“sound”一个很常见的意思，作为形容词还可以表示“(观点)正确的，明智的”【If you describe someone's ideas as sound, you mean that you approve of them and think they are correct.】
I am not sure that this is sound democratic practice.
An episode of an illness is short period in which a person who suffers from it is affected by it particularly badly.
The new drug lessens the severity of pneumonia episodes.
If you register your feelings or opinions about something, you do something that makes them clear to other people.
①Voters wish to register their dissatisfaction with the ruling party.
②Workers stopped work to register their protest.
①v.引起注意;（被）意识到;（使）留下印象【If a piece of information does not register or if you do not register it, you do not really pay attention to it, and so you do not remember it or react to it.】
The sound was so familiar that she didn't register it.
②（表情）流露，显露，显出【If a feeling registers on someone's face, their expression shows clearly that they have that feeling.】
Surprise again registered on Rodney's face.
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