noun 下载 🔗分享 固定器，紧固件。 Something to or by which an object can be securely fastened. Examples : "The climbing plant used its holdfast to grip the brick wall securely. " 这种攀缘植物用它的吸附器牢牢地抓住了砖墙。 nature biology technical nautical structure 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 固着器，附着器 A root-like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, benthic cnidarians, and sponges, to the substrate. Examples : "The diver carefully examined the seaweed's holdfast, ensuring it was firmly attached to the rock before collecting a sample. " 潜水员小心地检查海藻的固着器，确保它牢固地附着在岩石上，然后才采集样本。 organism biology structure plant anatomy environment nature ocean animal 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 放线菌病 Actinomycosis. Examples : "The doctor suspected actinomycosis because the patient's skin lesion exhibited a hard, holdfast-like attachment to the underlying tissue. " 医生怀疑是放线菌病，因为病人皮肤上的病灶与下面的组织紧密相连，就像牢固的根一样。 medicine disease microorganism 与AI对话词汇游戏阅读练习
