air marking

• 麻孔,小气泡

air marking的用法和样例：

例句

1. Between the fibers are many small pockets of air.
   纤维之间有很多小气泡。
2. After semination, the penis continues to raise inserts, may cause in the vagina to enter many air, produces the bubble to hinder to become pregnant.
   当射精后，阴茎继续提插，可使阴道内进入较多的空气，产生小气泡而妨碍受孕。