外包 的释义 | Babel Free
waɪ̯⁵¹ pɑʊ̯⁵⁵例句
“正線外包”
the railyard is enclosed by main lines on both sides, e.g. pocket track
“正线外包”
the railyard is enclosed by main lines on both sides, e.g. pocket track
CEFR 等级
C2
精通
该词属于CEFR C2词汇——精通水平。
该词属于CEFR C2词汇——精通水平。
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