Cassini appears ready to explore saturn and its retinue of 31 known satellites over the next four years , perhaps much longer “卡西尼”号将开始长达四年或更久的土星及其31个卫星的探测飞行。
Normally pandas begin to develop their distinctive black spots after two weeks , and open their eyes after two weeks to four weeks , morris said 莫里斯说，通常两周后熊猫开始长出它们特有的黑斑，二到四周后它们开始睁开眼睛。
The appearance was the first time that nasrallah has appeared in public since israel ' s month - long offensive began in lebanon on july 12th 这是纳斯鲁拉自以色列7月12号在黎巴嫩开始长达一个月的攻势以来，第一次出现在公开场合。
Milk teeth may begin to appear at anytime from five to eight months from birth , and at this stage the baby should be given something clean and hard go bite on 婴儿出生后五到八个月左右会开始长乳牙，在这一时期应当给他干净结实的东西咀嚼。
Dentists strongly advice a first dental visit at least by the time a child is one year old . they say babies should be examined when their first teeth appear 牙医强烈建议孩子在一岁时至少要去看看牙医，他们说，孩子刚开始长牙时应该接受检查的。
Over time , the parts from the two plants grow together . the grafted plant begins to produce the leaves and fruit of the scion , not the root stock 随着时间的推移，来自两种植物的两部分会长在一起。嫁接的植物开始长出接穗植株而非砧木植株的叶子和果实。
Over time , the parts from the two plants grow together . the grafted plant begins to produce the leaves and fruit of the scion , not the root stock 过一段时间，来自不同植物的两部分将会长成一体。被嫁接的部分开始长出叶子和果实。果实来自接穗，而不是砧木。
In response to the rapid growth in civil aviation in post - war years , a team of forecasters manned the amo full - time starting from 1957 to meet the demand of professional weather services for aviation 为了配合在战后民航服务的迅速增长，自一九五七年起，预报员开始长驻机场气象所，全职为航空界提供专业气象服务。
In response to the rapid growth in civil aviation in post - war years , a team of forecasters manned the amo full - time starting from 1957 to meet the demand of professional weather services for aviation 为了配合在战后民航服务的迅速增长，自一九五七年起，预报员开始长驻机场气象所，全职为航空界提供专业气象服务。
On the flooding condition , the vigor of the old root system rose first and fall then . after two weeks , the flooded vetiver developed a great deal of new roots and the vigor of new roots was higher than that of control group 淹水条件下，老根活力呈先上升后下降的趋势，两周后淹水组开始长出大量新根，而且新根的活力高于对照组根活力。
