另一种可能性是亲鸟会偏爱强壮的雏鸟。Another possibility is that parents favour chicks that are strong.那只蛋的壳厚0.14毫米，新孵出的雏鸟重9克。The egg had a shell thickness of 0.14mm and the newly-hatched chick weighed nine grams.雏鸟出壳后不久就不见了。The young disa...
My girlfriend of long standing left me.我多年的女朋友离开了我。This is an evil of long standing.这弊端由来已久.After a frank exchange of ideas, the two of them finally broke down their long - standing prejudice against each other and becam...
Faculty members complain that their students are unprepared to do college-level work.学院的老师们抱怨说他们的学生还很不适应大学的课业。The water level in Lake Taihu has reached record levels.太湖水位达到了历史最高值。The results show the level of frustration...