“瓣”是一个汉字,有名词和量词两种词性。
花瓣 [植] petal ; Flower Petals ; peting ; petal
瓣鳞花科 [植] Frankeniaceae ; frankenia family
心瓣 heart valve ; cardiac valve ; valve of the heart ; [动] semilunar valve
洼瓣花属 Lloydia ; Lloydia Salisb
豆瓣菜属 nasturtium ; Nasturtium R. Br
轭瓣兰属 Zygopetalum
主动脉瓣 [解剖] aortic valve ; mitral valve ; Valvula aort ; Bicuspid aortic valve
灰瓣蹼鹬 Red Phalarope ; Phalaropus fulicarius
瓣阀 [机] flap valve ; clapper valve ; [机] clack valve ; butterfly valve
七瓣莲属 Trientalis
当小生物游过时,它们会弯曲膀胱上的毛发,导致膀胱瓣打开。
When small creatures swim past, they bend the hairs on the bladder, causing a flap to open.
当它无助地在水沟里挣扎时,鳃瓣张开,犹如在它头部两侧切开了两道深深的伤口。
The gill flaps opened like two gash wounds on the sides of its head as it thrashed helplessly in the gutter.
她削去苹果皮,把它切成四瓣。
And it turns out that when you constructively have two p orbitals interfere, and when I say constructively, I mean they're both either positive or they're both the negative lobes, that's when you got bonding.
当两个p轨道,相长干涉时,我说的相干相长,意思就是说它们要么都是,正的叶瓣要么都是负的叶瓣,这时就能成键。
So, that's going to be important later when we get to bonding, but just take note of it now, we have two nodes, or we have two lobes, excuse me, each with a separate phase.
这等到我们之后讲到成键时是非常重要的,现在先要记住,我们有两个节点,不好意思,是两个叶瓣,每个都是不同的相位。
That's the harmonic series that's on that, and what the valves do is they shorten and lengthen that vibrating column of air very much like the cello string on the fingerboard.
这就是圆号上的泛音列,活瓣的作用是增长或减短,空气柱的高度,很像大提琴指板上的弦
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