When his cows calve each year he keeps one or two calves for his family.
每年他的母牛产犊时，他都为家里留下一两头。
The whales migrate some 6,000 miles to breed and calve in the warm lagoons.
这种鲸鱼环游了6,000英里到暖水湖里生育繁殖。
The cow is expected to calve next week.
这头母牛预期下周生小牛。
The icebergs and glaciers calve .
冰山和冰川在瓦解。
The whales calve at this time of year.
鲸鱼在每年的这个时候产仔。
Can you mark the time when the hinds calve?
母鹿下犊之期你能察出吗？
The unusual tides caused glaciers to calve icebergs off Greenland.
这种不寻常的潮汐使得格陵兰的冰川崩裂成冰山。
Dairy cows must calve every year to keep producing milk, and only half their offspring will be female.
奶牛必须每年哺乳才能产生牛奶，生下的小牛中只有一半是母牛。
The February 2011 earthquake provided the final pulse of energy to calve off ice than had been about to break off anyway.
2011年2月这次地震的发生，是这处于消融中的冰川最终走向崩解的一个转折。
A flotilla of icebergs, some as jagged as fairytale castles and others as smooth as dinosaur eggs, calve from the ice sheet that smothers Greenland and sail down the fjords.
一队队冰块从覆盖格陵兰的冰盖上崩裂下来，有的像童话中的城堡一样凹凸不平，有的似恐龙蛋般光滑，它们沿着峡湾滑行而下。
Methods The new method of internal and external decompression and vascular bundle graft was designed based on anatomical structure for treatment of 37 cases of Legg Calve Perthes diseases.
方法从解剖学角度设计，采用内外减压血管束植入法治疗37例患者。
Methods The new method of internal and external decompression and vascular bundle graft was designed based on anatomical structure for treatment of 37 cases of Legg Calve Perthes diseases.
方法从解剖学角度设计，采用内外减压血管束植入法治疗37例患者。
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