leakon Upper intermediatealso onCEFR Mastery level (C2)? Band 3 (BND3)? 泄漏,漏出物,漏洞,裂缝, 泄密,漏出,透露 leak leak(noun) 泄漏,漏出物,漏洞,裂缝 leak leak(verb) 泄密,漏出,透露 Forms nounverb leak leak