Pcast
abbr. Presidential Commission on Aviation Security and Terrorism 航空安全和恐怖主义总统委员会
🗣️ 情景例句
Happy Mother's day!
母亲节快乐。
Johnny doesn't like me.
乔妮不喜欢我。
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。