- 保卫: protect; defend
- 科: a branch of academic or voca ...
- 环卫科: wess
- 警卫科: security section
- 保卫: defend; guard; safeguard 保卫革命成果 defend [safeguard] the fruits of revolution; 保卫国家主权和领土完整 safeguard state sovereignty and territorial integrity; 保卫祖国 defend one's country; 保卫部门 public security bodies; public security departments; 保卫浮游生物 phylktioplankton; 保卫工作 security work; 保卫科 security section; 保卫细胞 guard cell
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