哈哈，主要是当初研究的比较透，主要是发ch和tr时，舌尖走过的位置不一样。：）
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
