a. 象细枝的, 苗条的
s. thin as a twig
1.twiggy couldn't drive me to unnecessary calorie consumption.
这些小事还用不着我额外摄取卡路里
2.They may be a bit twiggy and coarse but they are food nonetheless.
它们可能有些细小粗糙 但它们确实可以作为食物