Confine the use of insecticides to the evening and do not spray plants that are in flower.只在晚间使用杀虫剂，而且不要对正在开花的植物喷药。In remote regions, the air is pure and the crops are free of poisonous insecticides.在偏远地区，空气很纯净，庄稼也不施用有毒的...
Once they had left Key Biscayne, Rogers and Laird quickly reversed themselves.罗杰斯和莱尔德一离开比斯坎岛,很快就变了卦.He would get rid of Rogers and Laird at the earliest opportunity.只要有机会,他就会尽早抛弃罗杰斯和莱尔德.Laird and Nixon kept their counsel...
It may subsequently become a weak grower and a distinctly biennial cropper.随后会引起树势衰弱,明显两年结一次果.The grower is no longer in full control of the nutritional situation.栽培者就再也不能完全控制营养状况.The merchandiser and the fruit grower ha...
Thickening and perivascular lymphocytic cuffing of cord blood vessels . H and E X 250.脊髓血管增粗;脊髓血管周围可见淋巴细胞浸润,形成一层套膜(苏木精-伊红染色,原始放大倍数X250倍).The ammonium chloride is neutralized by vaporizing and thickening from mother liquo...