Radiata
(无脊椎)辐射动物
🗣️ 情景例句
My father always interferes with me.
我父亲经常干涉我的事。
Americans are hight mobile, and therefore may find it difficult to became deeply involued with other.
美国人的流动性，大，因此你会发现和他人深交很难。
After the alarm had been given, the great ship turned sharply to avoid a direct collision.
警报响过不久，巨轮急转弯，以避免与冰山正面相撞。