“在外部”造句

这种事情只有在外部条件有利时才会发生。
Such events occur only when the external conditions are favorable.

只有在外部E弦马克铅笔戳洞.
Poke pencil holes only in the outer E string marks.

动物生产在外部的毛称为保护毛.
The outer hair of the animal is called gold ( guard ) hair.

• #在外部