国外的漂浮物颗粒小,能够进入支气管。上海的漂浮物颗粒大,而且带潮气,在鼻腔就结成“盐津枣”了 :-)
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