Cut down and compost spent cucumbers, tomatoes and other crops...将已收获过的黄瓜、西红柿和其他作物的秧蔓割下，制成堆肥。I sow the seed in pots of soil-based compost.我把种子种在几盆掺有堆肥的土里。...a superb compost, high in calcium.富含钙的优质堆肥...a compost heap...一...
几位著名的研究人员正在研究通气过度的后果。Several notable researchers are studying the effects of hyperventilation.我的鼻子完全不通气了。My nose is all bunged up.大家要经常通气.We must keep in touch with each other....
He's studying zoology at university.他正在大学念动物学.She devoted her lifetime to the study of zoology.她以毕生精力从事动物学研究.Zoology is also a very important subject to the students.对学生来说,动物学也是很重要的....