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/ˈiːstrəs/ 或 /ˈɛstrəs/
a recurring period of sexual receptivity and fertility in many female mammals; heat(发情期)
记忆技巧
谐音联想
将 'oestrus' 发音联想为 '饿死它啦' → 母动物发情期食欲下降,仿佛'饿死它啦'。
拆分记忆
'oest'(类似east东方)+ 'rus'( rush冲)→ 东方动物'冲'向发情期。
例句
The female cat exhibits oestrus approximately every three weeks during the breeding season.(这只母猫在繁殖季节大约每三周发情一次。)