U.s.s.r.
苏联
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
When did you do homework?
你什么时候做家庭作业？
She always eats her lunch at noon.
她总是在正午吃午饭。