The adverb of synthetic: by a chemical process made by people, rather than naturally. It almost always sits in front of a past participle — 'synthetically produced', 'synthetically made', 'synthetically derived' — and it belongs to science writing, medicine, food labels and industry reports.

synthetic的副詞 The adverb of synthetic: by a chemical process made by people意思是靠人做的化學過程, rather than naturally而不是天然形成的。 It almost always sits in front of a past participle它幾乎都放在過去分詞前面 — 'synthetically produced', 'synthetically made', 'synthetically derived'像'synthetically produced'、'synthetically made'、'synthetically derived' — and it belongs to science writing, medicine, food labels and industry reports常出現在科學寫作、醫學、食品標示和產業報告裡。

Vitamin C in a tablet is synthetically produced; the vitamin C in an orange is not, and chemically they are the same thing, which is the point such sentences are usually making. Vanilla flavouring is the classic example: the natural pod costs a fortune, the synthetically produced version costs almost nothing, and most people cannot tell.

Vitamin C in a tablet is synthetically produced藥錠裡的維他命C是人工合成製造的; the vitamin C in an orange is not柳橙裡的維他命C則不是, and chemically they are the same thing而化學上兩者其實是同一個東西, which is the point such sentences are usually making而這正是這類句子通常想表達的重點。 Vanilla flavouring is the classic example香草香精是最經典的例子: the natural pod costs a fortune天然的香草莢很貴, the synthetically produced version costs almost nothing人工合成的版本幾乎不花什麼錢, and most people cannot tell而大多數人也吃不出差別。

You will not hear this word much in conversation — people say 'man-made' or 'artificial' instead — so treat it as a reading-and-writing word. It can also take the negative meaning of synthetic, describing behaviour that is put on rather than felt, but that use is rare and sounds odd; if you mean a smile is fake, say 'falsely' or 'insincerely'.

You will not hear this word much in conversation你在對話裡不太會聽到這個字 — people say 'man-made' or 'artificial' instead大家會改說'man-made'或'artificial' — so treat it as a reading-and-writing word所以把它當成一個閱讀和書寫用字就好。 It can also take the negative meaning of synthetic它也可以帶有synthetic那種負面意思, describing behaviour that is put on rather than felt形容一種裝出來而不是真心的行為, but that use is rare and sounds odd不過這種用法很少見，聽起來也怪怪的; if you mean a smile is fake如果你是想說一個笑容是假的, say 'falsely' or 'insincerely'請說'falsely'或'insincerely'。