- 重点词汇
- 精子
sperm; spermatozoon; spermatozoa; come; spermium
- 质量
quality; level; mass; calibre; qualitative
- 怎么
how; why; what; what about; how about
- 检查
check; test; inspect; examine; review; audit; survey; vet; monitor; screen; see; suss; look; process; probe; censor; check up; testing; inspection; exam; examination; checkup; check-up; scrutiny; policing; censorship; screening