學(xué)習(xí)筆記：
fingernail：手指甲
例句：I have the fingernail clippers.
我有指甲鉗。
knuckle：指節(jié)
例句：Our fingers bend at the knuckle.
我們的手指在指關(guān)節(jié)處彎曲。
thumb：拇指
例句：The little child took her ear between her thumb and forefinger and tugged it playfully.
小孩用大拇指和食指捏住她的耳朵，拉著玩。
finger：手指
例句：A mantis nipped my finger.
螳螂挾住我的手指。
palm：手掌
例句：Buddhist monk sat with folded palms.
和尚合掌打坐。