Actionchitin
[機] 線菌殼多糖
??? 情景例句
it's a good picture.
那是一張好照片。
In the world, who knows not to swim goes to the bottom.
處世似游泳，不會即下沉。
In that first glorious hour, the mighty Vasa , which was intended to rule the Baltic,
就這樣，想要統(tǒng)治波羅的海的大型戰(zhàn)艦"瓦薩號，在它壯麗的起航時刻，