你可以乘雪撬或骑自行车向山脚下滑行.You can coast downhill on a sled or a bicycle.雪撬滑下坡.The sledge coasted down the slope.雪撬是这个地区的一种重要的交通工具.Sleigh is an important kind of transportation tool in this area....
我想语音拼写可能有助于发音。I thought a phonetic spelling might aid in pronunciation.彻底刷牙有助于口气清新。A thorough brushing helps to freshen up your mouth.压缩磁盘驱动器有助于人们管理重要信息。Zip drives help people to organise their important information....