宿主的防御能力的英文：
host defense
n. 东道主，主人；节目主持人；许多；主机
v. 主办宴会；主持节目；做东道主，当主人
- a freehanded host;
大方的主人; - The communication was read by the host.
论文由主持人宣读了。 - Host is the masculine noun for hostess.
host是与hostess相对应的阳性名词。 - The migratory bird is a host of the wetland.
候鸟是湿地的主人。 - He has a host of friends.
他有好多朋友。
n. 防御，防御工事；防御物；防御措施；辩护；（比赛中的）守方
v. 抵御，防御
- (in a match) the defense
守方 - The defenses of the city must be strengthened.
这个城市的防御工事必须加强。 - He was the then secretary of Defense.
他是当时的国防部长。 - Offense is the best defense.
进攻是最好的防御。 - Attack is the best form of defense
攻击是最好的防御
