The two places, he insists, are as different as chalk and cheese.他坚持说那两个地方有天壤之别。With a stick of chalk he wrote her order on a blackboard.他用一截粉笔将她的指示写在黑板上。the chalk cliffs of southern England英格兰南部的白垩质峭壁...
After the horseplay by the wicked students, the classroom floor was strewn with crumbled chalk dust.那班顽皮学生闹著玩儿,捏碎不少粉笔,过后, 教室地板上撒满了粉笔灰.A small heart in Chalk White crystal dangles gracefully around her neck.小心脏以粉笔白色结晶优雅地垂...
He casts up his accounts at the end of each day.每天结束时他都结一次账.The tree casts a shadow on the ground.树的影子映在地上.Peony casts the other flowers into the shade.牡丹使其他的花逊色....
The study of psychology has recently been widely cross-fertilized by new discoveries in genetics.心理学研究最近从遗传学的新发现中受益匪浅。He gave me a piece of advice on how to learn genetics.他就如何学好遗传学给我提出了一条建议.Population genetics owes its ...