搜尋標籤: "pathogens and transmission of some common sexually transmitted diseases"

Sexually Transmitted Diseases (English subtitles… duration 20 minutes 0 seconds Sexually Transmitted Diseases (English subtitles… Sexually Transmitted Diseases (English subtitles available)	Sexually Transmitted Diseases (English subtitles available) Jane’s father contracted a venereal disease… definition of sexually transmitted diseases (stds) +3 更多 ronson@hkecl.net 1/3/2020 0 個讚 302 次播放學科科學教育 Science Education 學習階段第三學習階段 (中一) Key Stage 3 (S1) 第三學習階段 (中一至中三) Key Stage 3 (S1 - S3) 作者教育局課程資源組版權聲明所有版權由香港特別行政區政府擁有上載日期 31/8/2006