At that time, our teeth are good, hard pine nut shell, a Ke opened on!
那时候，我们的牙都很好，那么硬的松子壳，一嗑就开了！
Objective:To study the anti-tumor activity of fractions from pine cone and pine nut shell.
目的 ：总结抗癌活性肽抑制肿瘤生长和转移的研究进展。
Some of these coats are hard—like the shell of a nut—for extra protection.
其中一些表皮很坚硬——就像坚果的外壳——可以提供额外的保护。
Nut and Shell chattered about it from a cherry-tree.
“果仁”和“贝壳”在樱桃树上，叽叽喳喳地说这件事。
Who will eat the kernel of the nut must break the shell.
欲吃坚果仁，必先破其壳。
He who would eat the nut must first crack the shell.
不打碎果壳，就吃不到果仁；不劳则无获。
And so with solids such as a shell, a nut, a plum.
对于下述实际形态也是如此，例如一个贝壳，一个核桃，一个李子。
And so with solids such as a shell, a nut, a plum.
对于下述实际形态也是如此，例如一个贝壳，一个核桃，一个李子。
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