3ת뼼ɡԽת
Automatic lathes perform basically similar functions but apper in a varitety of forms.
Զûͬʽͬ
4ת뼼ɡתν״
Neutron has a mass slightly larger than that of proton.
Դתν
Scientists in that county are now supplied with necessary books ,epuipment and assistant ,that will ensure success in their scientific research.
Ѹؿѧṩ˱Ҫͼ顢֣Ա֤йɹת״
5״ת뼼ɡ״תһָ״Ӿת롣ɷʱ״Ӿת״Ӿ䣬ѵص״ת״ӾͰԭ״Ӿתƫʽ
These three colors ,red ,green ,and violet ,when combined ,produced white .
ɫɫɫɫһͱɰɫʱ״Ӿת״Ӿ䣩
Where there is nothing in the path of beam of light ,nothing is seen.
ͨûжʲôҲص״Ӿת״Ӿ䣩
Because he was convinced of the accuracy of this fact, he stuck to his opinion.
ȷɿ˼Ѽԭ״ӾתƫϾ䣩
ˡ ־䡢Ͼ人뼼
Ӣ뺺ʱԾӽṹͬҪıһ¾ӽṹӦںϰߡ÷־䡢ϾзΪ˴ﵽĿһҪɡν־䣬ָԭһϾӣνָԭϼһϾһ䡣ַ־䡢Ͼ人뼼ɿʹIJηϺںϰߡ־뼼ɹͣϾ人뼼ɹ̸̸͡־人뼼͡
1־人뼼ɡ
A man spending twelve days on the moon would find ,on returning to the earth ,that a year had passed by already.
һ϶ȹʮ죬صԺͻᷢһѾȥˡ
2ν־人뼼ɡ
It goes without saying that oxygen is the most active element in the atmosphere.
ԶǴԪء
3־人뼼
He managed to raise a crop of 200 miracle tomatoes that weighed up to two pounds each.
Ȼֳ˶ٸ漣ÿش
4״־人뼼
Sunrays filtered in wherever they could ,driving out darkness and choking the shadows.
ط˺ڰɢӰ
5ͬλ־人뼼ɡ
Mary normally a timid girl ,argued heated with them about it.
ƽǸҲҵغDZ
Ѷ | ¿Ѷ |