director 导演 director triangle 三角形 triangle acid 酸 acid acknowledge承认 acknowledge knowledge 知识knowledge not 不 not

note 记下 note notebook 笔记本notebook notify 告知 notify famous 著名的 famous announce 宣布 announce descend 下降

descend pronounce 发音 pronounce pronunciation 发音 pronunciation ignore 忽视 ignore question 问题 question acquire

获得 acquire conquer 征服 conquer quiz 测验 quiz mass大量mass liquid 液体 liquid rat鼠rat microphone 话筒 microphone

microscope 显微镜 microscope telephone 电话 telephone phone 电话 phone act 行为 act react 反应 react active 积极地active

activity 活动activity