stem on stem 迎头对遇 ; 迎头相遇 ; 两船迎头相遇
International Forum on Stem Cells 第二届天津国际干细胞会议
Hematoma on the brain stem 脑干血肿
on a stem 在茎上
On the Stem Family 论主干家庭
functional leaf on main stem 主茎功能叶
Butterfly on a plant stem 植物茎干上的蝴蝶
There are schemes based on drugs and on stem cells.
目前已经有基于药物和干细胞的研究计划。
"There are schemes based on drugs and on stem cells."
“目前已经有基于药物和干细胞的研究计划。”
Press down on knob and turn clockwise one full turn to properly engage threads on stem boss.
将旋钮压下,顺时针旋转一整圈,使其完全嵌入到阀杆轮箍的螺纹里。
Scientists say the auxin has an indirect effect on buds on the side of the stem to prevent branching.
VOA: special.2009.10.13
There's a lot of interest in obtaining stem cells from the blood of the umbilical cord on birth.
从出生时的脐带血中取得一些干细胞,也很有趣
stem cell research can go on without the ethical dilemma provided by killing embryos.
干细胞研究者可以免受由于杀死胚胎而带来的道德困境。
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