她跪了下来，轻吻迈克尔的脸颊。She knelt and brushed her lips softly across Michael's cheek.他吻了吻她的脸颊。“祝你好运！”He kissed her on the cheek. "Best of luck!"用手指头肚儿轻拍脸颊一遍。Tap your cheeks all over with the pads of your fingers....
最初长满树木的山坡吸收了噪音。At first the wooded hillsides muted the sounds.对树木的大规模砍伐正在破坏环境。The broadscale cutting down of trees is damaging the environment.海水不利于这种树木的生长。The briny water is not good for the growth of the trees....
该包装法常用的气体是氮气 、 二氧化碳和氨气.The wrapper method commonly used gas is nitrogen, dioxide and ammonia.生命生产出甲烷 、 氨气 、 氧气 、 氢气 、 二氧化碳以及其他气体.Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.树木能...