形式发票
(形式發票)pro forma invoice
HaoHSK Flashcards & Audio
Save this word to your Smart Flashcards
Master vocabulary with Spaced Repetition (SRS), native pronunciation audio, and active recall practice on HaoHSK.
Mobile app coming soon to Google Play & App Store
Complete Chinese Learning & HSK Preparation Directory
Explore all Mandarin Chinese modules from beginner to advanced: Listening, Reading, Vocabulary, Grammar, Characters, and HSK Mock Tests.
📖Chinese Reading & Listening Practice
📘HSK & Thematic Chinese Vocabulary
HSK 3.0 Vocabulary (9 Levels):
HSK 2.0 Vocabulary (6 Levels):
