Colulus
舌形体
🗣️ 情景例句
She was in our class.
她和我们同班。
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。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。