Organic food is unadulterated food produced without artificial chemicals or pesticides.有机食品是未使用人工化学制剂和杀虫剂的纯净食品。Many pesticides are irritants.很多杀虫剂都具有刺激性。vegetables grown without the use of pesticides未用杀虫剂种植的蔬菜...
Endogenic rocks are not clastic.内生岩石不是碎屑状的.The crack in the coal seam is divided into two kinds: endogenic crack and exogenous crack.煤层中的裂隙分两种,即外生裂隙和内生裂隙.Starting from the present research situation, endogenic and exogen...
Any escape, once it's detected, sets off the alarm.一旦发现有泄漏，警报就会响起来。He returned to the airport to find his car alarm going off.他回到机场时听到自己的汽车报警器响了。An alarm links the police station to the divisional headquarters.在部门总部...