Immunoprotection
免疫保护法
🗣️ 情景例句
Get to the point.
请进入正题。
Who do you want to speak to ?
你要跟谁讲话？
It is ten o'clock.Mrs.Sawyer usually stays at home in the morning, but this morning, she is going to the shops.
现在是10点钟。上午，索耶夫人通常是呆在家里的，但今天上午，她正去商店买东西。