| 释义 |
ac·ti·nal
\ˈaktənəl, (ˈ)ak|tīnəl\ adjective
Etymology: actin- + -al
: belonging to the part of a radiate animal from which the tentacles or arms radiate and where the mouth is situated — often used as an equivalent of oral
• ac·ti·nal·ly \-əlē, -əlē\ adverb |