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)。