1. 可知觉的：percale 密织棉布 | perceivable 可知觉的 | perceivably 可知觉地
2. 可察觉的：percarbonate 过碳酸盐 | perceivable 可察觉的 | perceivable 可看到的
3. 可看到的：perceivable 可察觉的 | perceivable 可看到的 | perceivably 可知觉地
4. 可感知的; 可认识的 (形)：percale 一种密织棉布 (名) | perceivable 可感知的; 可认识的 (形) | perceivably 可知觉地; 可察觉地 (副)
adj
1. capable of being apprehended or understood
Synonym: apprehensible intelligible graspable understandable
2. capable of being perceived especially by sight or hearing
e.g. perceivable through the mist