都不對(duì)，問(wèn)題出在措辭是典型的中式表達(dá)。第一句為下面這么多詞都可以用什么用contain,第二句非常 awkward 母語(yǔ)的人決不會(huì)這么寫句子
which were:
dominated by
mainly composed of
mainly comprised of
mainly constituted of
mainly made up of
is mainly of

第一句語(yǔ)法正確，但似乎有點(diǎn)中國(guó)人感覺(jué)。第二句語(yǔ)法有點(diǎn)問(wèn)題，英語(yǔ)中兩個(gè)句子沒(méi)有逗號(hào)，如果需要，則添加并列連接詞，或者使用從句結(jié)構(gòu)

直接把定語(yǔ)從句插進(jìn)句子里，或者添加一個(gè)插入語(yǔ)不就完了

樓主的用詞是不對(duì)，使得句子含意顯得不準(zhǔn)確。如果我來(lái)寫的話，會(huì)選擇簡(jiǎn)單清晰的表述，比如：

17 amino acids have been assessed. Each has Gly, Arg, Leu, Lys, Asp and other 3 fatty acids as major components.