Must greet all guests with warm and natural standard at every guest contactpoint.
在每一次与客人接触时，必须热情和自然地称呼，向客人问候。
2
The contactpoint between the macrophage and lymphatic endothelium was deficient of junctions such as tight junction and gap junction.
巨噬细胞与淋巴管内皮细胞的彼此接触面缺乏紧密连接和缝隙连接等连接形式。
3
Sound: play open strings alone; play slow scales, sustaining a 20- to 30-second bow; practice everything in the lower or upper half; or watch your contactpoint in the mirror.