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1·This equilibrium is completely destroyed when the virgin soil is brought into cultivation.

未垦土壤一经种植，这种平衡就完全遭到破坏。

2·It occurs much less in the area which the weather is cool, irrigation system is available, and the field is a virgin soil for planting tomatoes.

气候较冷凉、灌溉条件便利、从未种植过番茄、亩保苗数合理的地区丛生株发生率较低。

3·This thesis mainly interprets the feminine images in Virgin Soil Vpturned on a viewpoint of feminist criticism, and analyses its special signification.

本文试从女性主义批评视角阐释《新垦地》的女性形象，并对其特殊意义作出分析。

4·Because planters believed that tobacco had to be grown on virgin soil, tobacco gradually made its way to the eastern part of what is now North Carolina.

因为种植者认为烟草一定要种植于生荒地所以将其逐渐推广到东部地区也就是如今的北卡罗莱纳州。

5·Virgin-soil epidemics are those in which the populations at risk have had no previous contact with the diseases that strike them and are therefore immunologically almost defenseless.

处女地流行病指的是那些风险人群以前没有接触过袭击他们的疾病，因此在免疫上几乎毫无防御能力的疾病。

6·Reclaiming virgin land and plowing cropland destroy soil structure and accelerate the loss of soil organic carbon (SOC).

开垦荒地和翻耕农田导致土壤结构破坏，加速土壤有机碳（SOC）损失。