英语词汇aggressive mechanism怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
They are known to occasionally jump out of the water but are not aggressive and use the venomous barb at the end of their tail as a defense mechanism.
他们偶尔会跳出水面，但没有攻击性，他们还利用尾部的毒刺作为防卫武器。
2
Osteosarcoma is a malignant tumor with aggressive metastasis. The mechanism of metastasis, however, is not completely defined.
成骨肉瘤是一种转移能力很强的恶性肿瘤，目前关于其转移的机制还不完全清楚。

单词	aggressive mechanism
释义	aggressive mechanism 简明释义攻击机制网络释义 1 ?攻击机制攻击机制双语例句 1 They are known to occasionally jump out of the water but are not aggressive and use the venomous barb at the end of their tail as a defense mechanism. 他们偶尔会跳出水面，但没有攻击性，他们还利用尾部的毒刺作为防卫武器。 2 Osteosarcoma is a malignant tumor with aggressive metastasis. The mechanism of metastasis, however, is not completely defined. 成骨肉瘤是一种转移能力很强的恶性肿瘤，目前关于其转移的机制还不完全清楚。
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