Contan
热塑性尿烷橡胶
🗣️ 情景例句
Too much tea will brown your teeth, but it's good for your health; so what are you going to do?
茶喝多了会把你的牙齿染黄，但对你的身体去有好处。因此你会怎么办？
When do you want to leave?
你想什么时候离开？
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。