入侵: to invade...
直线: straight line, sharply (rise or fall)...
准则: norm, standard, criterion...
体积: volume, bulk...
太平: peace and security...
凶猛: fierce, violent, ferocious...
横向: horizontal, orthogonal, perpendicular, lateral, crosswise...
粒: grain, granule, classifier for small round things (peas, bullets, peanuts, pills, grains etc)...
近日: (in) the past few days, recently, (within) the next few days...
表情: (facial) expression, to express one's feelings...