Polytrifluorostyrene

聚三氟苯乙烯; 聚三氟苯乙烯

??? 情景例句

He felt that his life was no longer worth living.
他覺(jué)得他的生命已經(jīng)沒(méi)有再活下去的價(jià)值了。
I told him to come in while waiting.
我告訴他進(jìn)來(lái)等一下。
I looked at it again.
我又看了看那副畫(huà)。
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?? 更多 P 開(kāi)頭的單詞

photocell ?fo?to?sel
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