thecodontadj.有槽齿的；槽齿类的theart.那；这；这些；那些adv.（用于比较级前）更加；用于最高级前；(用于形容词、副词比较级前)越 ... 越 ...The Inter-Agency Procurement Service Office机构之间采购服务办公室The tender-minded must harden themselves.性格脆弱的人必须使自己坚强起来。The Border Areas of Shaanxi-Gansu-Ningxia陕甘宁边区the independent eommission against eorruption廉政公署The educational administration' s institutionThe Biomolecular Interaction Network Database生物分子互作网络数据库The ancient civilization fellinto oblivion.古代的文明被遗忘了。The familiesupstairs/the upstairs families楼上的住户.The electromagnetic force becomes dominant.电磁力处于支配地位。The orator delivered his speecheffectively.演说家深刻有力地发表了演说。

1. Strike the ball on its first bound.
   趁球第一次弹起时把它打出。