Silk is also used for the safety lines many spiders drag behind them, which save them if they fall.
蛛丝也是许多蜘蛛拖在身后的安全索，能在它们跌落时保住小命。
In many cases that is out of choice and, if they fall seriously ill, hospitals have to treat them.
在很多情况下都是别无选择的，一旦他们身患重症，医院必须为他们治疗。
She said the system will be programmed to react to the user’s progress. If they fall behind on their goals, more motivation will be sent.
{7}她说，经编程设计，系统将会根据使用者的进度作出反应，如果他们没有实现目标，系统将会发出更多的鼓励。
If they fall in love, the woman might give the man a scarf woven by her as a gift.
如果他们相爱的话，女子就可能给男子一条她亲手织的围巾作为礼物。
If they fall in love, the woman might give the man a scarf woven by her as a gift.
如果他们相爱的话，女子就可能给男子一条她亲手织的围巾作为礼物。
应用推荐