我不用疯狂地节食也能减轻几磅。I can lose a few pounds without resorting to daft diets.夜里他的痛苦是减轻了，但人也不那么清醒了。The pain had lessened in the night, but so had his lucidity.这些补助金用于减轻农民因难以预测的恶劣天气而遭受的损失。The subsidies are designed to cushion fa...
In covalent bonding, atoms share electrons.在共价键联中, 原子共有电子.Crystals may be classified as either ionic or covalent by analogy with molecules.与分子的情况一样,晶体也可以分为离子键型和共价键型.Ceramics primarily have ionic bonds, but covalent bondi...
她的表情隐在阴影中，很难读懂。Under the shaded light her expression was difficult to read.艾森豪威尔离开白宫，退隐到他在葛底斯堡的农场。Eisenhower left the White House and retired to his farm in Gettysburg.杰伊点点头，笑容慢慢隐去了。Jay nodded, his smile fading....