Firearmor
镍铬铁锰合金
🗣️ 情景例句
What about Michelle's school?
那Michelle的学校怎么办？
She fears Tom will drop out of school.
她担心汤姆会休学。
The porter went to fetch one and arrive back with the station master,
搬运工跑回去取时刻表，同时请来了站长。