久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

此教科書中有幾大段是剽竊其他作者的.Long passages in this textbook have been lifted from other authors.他的植物學(xué)教科書中對那題目的敘述不充分.The coverage of the subject in his botany text is inadequate.他買了一本最新的教科書.He bought an up - to - date textbook....

“教科書”的拼音為：jiào kē shū...

“教科書”的英語可以翻譯為：textbook，schoolbook ...