Pregassing
预放气
🗣️ 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。
The doctor advised me to take a walk outdoors.
医生劝我要多到户外散步。
The girl in red is his girlfriend.
穿红衣服的那个女孩是他的女朋友。