From that day on, the farmer would not flagellate his ox anymore.从那天起，农夫再也不鞭打牛了。A single - celled microorganism, especially a flagellate protozoan of the genus Monas.单胞体 单细胞 的微生物, 尤指单''.'胞'. '�...
Usefulness includes the fact the negatives have been calibrated.所谓有用,是指在底片上要有标度.The theory is of limited usefulness.这个理论用途有限。The report is of potential usefulness to the government.这个报告可能对政府有用。There are doubts about the ...