时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第4册


英语课

   Pearl Oyster 1 珍珠贝


  Do you know where pearls come from? 你知道珍珠产自哪里吗?
  Expensive jewels usually come from big mines. 昂贵的珠宝通常产自大矿山。
  However, believe it or not, pearls come from pearl oysters 2 in the sea. 然而,信不信由你,珍珠产自于海中的珍珠贝。
  Nowadays, we can raise pearl oysters in the seas near Korea and Japan. 如今,我们能在靠近朝鲜和日本的海中养殖珍珠贝。
  Pearl oysters are usually 5 centimeters long and 5.6 centimeters high. 珍珠贝一般有5厘米长,5.6厘米高。
  When we raise pearl oysters, It is very important to maintain water temparature over 10 degree Celsius 3. 我们养珍珠贝时,非常重要的一点就是水的温度得维持在10摄氏度以上。

n.牡蛎;沉默寡言的人
  • I enjoy eating oyster; it's really delicious.我喜欢吃牡蛎,它味道真美。
  • I find I fairly like eating when he finally persuades me to taste the oyster.当他最后说服我尝尝牡蛎时,我发现我相当喜欢吃。
牡蛎( oyster的名词复数 )
  • We don't have oysters tonight, but the crayfish are very good. 我们今晚没有牡蛎供应。但小龙虾是非常好。
  • She carried a piping hot grill of oysters and bacon. 她端出一盘滚烫的烤牡蛎和咸肉。
adj.摄氏温度计的,摄氏的
  • The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氏度。
  • The maximum temperature in July may be 36 degrees Celsius.七月份最高温度可能达到36摄氏度。
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all-there
Alu repetitive sequence
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atomic cell
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