他在乡村不断换工作，为不同的柑橘园干活。He moved around the country working in orange groves.橄榄、葡萄和柑橘类水果产量丰富。Olive groves, grapes, and citrus fruits grow in profusion.佛罗里达柑橘带有一种天然的甘甜。Florida oranges have a natural sweetness....
The monograph is conceptually confused, unclear in its structure and weak in its methodology.这篇专论概念混淆，结构不清，研究方法也经不起推敲。...a monograph on her favourite author, John Masefield.关于她最喜欢的作者约翰·梅斯菲尔德的一本专著This monograph is a prime...
他正在城里汤姆家作客.He's stopping at Tom's in town.我喜欢邀请朋友到家作客,并使他们受到家里人的热烈欢迎.I like to bring my friends home to a warm welcome from my family.我小时候常去“山墙庄园”作客.I often visited The Gables when I was boy....
观点阐述不充分，结构单薄，意象也模糊不清。The ideas seem sketchily developed, the textures thin, the images vague.证据不充分。The evidence is patchy.他们提供的细节不充分。They provided only skimpy details....
Many microorganisms possess the ability to dehydrohalogenate DDT to DDE.许多微生物使滴滴涕脱卤化氢变为滴滴依.The microorganisms involved in symbiosis with the alder tree are actinomycetes of the genus Frankia.而与赤杨共生的微生物是放线菌.The primary mi...