您要查找的是不是：
- 平邮ordinary mail; surfime mail
- 地平Horizon
- 磨平rubdown
- 平放keep flat
- 黑斑缺陷black spot defects
- 日本梨黑斑Black spot of Japanese pear
- 平垫plain cushion
- 黑斑侧褶蛙Pelophylax nigromaculata
- 透平turbine
- 黑斑蛙（青蛙）tana nigronaculata hallowell
- 平流层stratosphere
- 黑斑息肉病的诊治分析Diagnostic and therapeutic analysis of Peutz-Jeghers Syndrome
- 压平planish
- 一只背上有黑斑的白猫A white cat with black patches on its back
- 打平planish
- 黑斑息肉综合征的研究进展Advances in Research on Diagnosis and Treatment of Peutz-Jeghers Syndrome
- 平垫圈flap gasket
- 你可不能吃满是黑斑的鱼。You can't eat fish covered with dark specks.
- 平直straight
- 这个梨子有碰伤的黑斑。The pear had bruises of dark spots.
