Lanthanoid
镧系元素
🗣️ 情景例句
with photographs of my family, I cried.
连同家人照片时，我哭了。
He that will have a hare to breakfast must hunt overnight.
早餐想吃野兔肉，头晚就须去捕捉。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。