tā / zài / zhìzuò / zhúdí / shí / xūyào / jīngquède / wāchū / mókǒng / de / wèizhì

他在制作竹笛时，需要精确地挖出膜孔的位置。

When making the bamboo flute, he needs to precisely carve out the position of the membrane hole.