四级

四级
si4 ji2
grade 4, fourth class, category D
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四级
sì jí
level Four; Band Four; Fully Good
四级胺 quaternary ammonium compound;
四级蛋白质结构 quarternary protein structure;
四级电离 {物} quarternary ionization;
四级风 force 4 wind; moderate breeze;
四级火箭 fourstage rocket;
四级结构 quaternary structure;
四级精度 rough grade;
四级考试 Band Four Test;
四级四元数 quadriquaternion
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四級|四级 [sì jí] grade 4 fourth class category D

Chinese-English dictionary. . 2013.

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