声母的英文：
initial consonant (of a Chinese syllable)
initial

marginal initial
边缘原始细胞[见于植物]

The body is initially at rest, and the spring is initially unstretched.
起初物体是静止的，弹簧也未拉长。

embryo initial cell
胚原始细胞

crepe de chine yarn
双绉纱

The old prefessor came back to Chine in 1949 when the mainland had just been liberated .
这位老教授是在1949年回到中国的,当时大陆刚解放。

Chining and embossing operations particularly require heavy pressures in order to force the metal into the design on the face of the tools.
压花、压币工序特别需要高压来强使金属形成工具面的图形。