As suspected, leptin and melanocortin are turning out to be just the tip of the iceberg.一如科學家的懷疑瘦蛋白和黑素皮質素只不過是冰山一角

turn out to be:結果是；原來是；證實是

The man turned out to be a marvelous orator.

那人成了一位優秀的演說者。

It can turn out to be a tremendous burden.

變成一個沉重的負擔。

In terms of drug treatments for obesity,在肥胖的藥物治療方面

in terms of:在 ... 方面

It is difficult to express it in terms of science.

要用科學的字眼來表達它是很困難的。

He often talks about his girlfriend in terms of love.

他經常用充滿愛意的語言談論他的女朋友。

Such as the melanocortins, the neuromedins...比如說黑素皮質素,神經調節肽

such as:例如；諸如

I know many of them, such as John, Peter, and Tom.

我認識他們當中的很多人，例如約翰、彼得和湯姆。

相關短語:

such as to達到這樣的程度以致

Her madness is not such as to fill her mother with despair.

她還沒有瘋到令其母親絕望的程度。

such as it is不過如此

This pudding,such as it is,is the best I can make.

布丁只能做成這樣了，我盡了最大的努力。