Word building
1.defend v. 防守
用法：defend还有保卫，防护的意思，
defend against抵抗，防卫......；
defend with 用......防卫
同根词：defense n. 防守队员；防守；后卫
They found the least defended area and attacked.
2.instinct n. 本能，直觉
用法：by instinct 出于本能，凭直觉；
have an instinct for (doing) sth 具有（做某事的）某种天性
Even at school, he showed he had an instinct for business.
3.launch v. 发动，发起；推出
The company hopes to launch the new drug by next October.
The scheme was launched a year ago. #冰雪2024#