Checkertree
治疝花楸
🗣️ 情景例句
and this is an important decision we have to make.
这又是我们必须做的一个重大决定。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
That machine joins these different pieces of metal together.
那台机器把这些不同的金属片焊接起来。