单词	syntactic foam
释义	syntactic foam noun : a plastic in which preformed cells (such as tiny hollow glass spheres) have been incorporated, which can withstand great pressures (as at ocean depths), and which floats Word History Etymology syntactic from Greek syntaktikos putting together First Known Use 1955, in the meaning defined above
随便看	Abydos abye abyed abyeed abyeing abyes abying Abyla abyla abys abysm abysmal abysmaler abysmalest abysmaller abysmallest abysmallier abysmalliest abysmally abysms abyss abyssal abyssal hill abyssal plain abyssal rock

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