I like to use an adjustable stem that my customers can use for a few days to try different positions for a long enough time to be meaningful.

我喜欢使用一个可调节的把立，它能够让我的顾客几天中在不同的位置花上足够的时间来下结论。

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The technique relies on an adjustable "microvalve" to build up layers of human embryonic stem cells (hESCs).

该技术依靠可调节的“微型阀”来制造出一层层的人体胚胎干细胞。

youdao

The technique relies on an adjustable "microvalve" to build up layers of human embryonic stem cells (hESCs).

该技术依靠可调节的“微型阀”来制造出一层层的人体胚胎干细胞。

youdao