Undulata
帶紋瑪瑙
??? 情景例句
Shopping vouchers are ofter a good means of attracting customers.
購物優惠券是吸引顧客的好方式。
I asked him to do it for me, but he wouldn't.
我請他幫我做，但是他不肯。
Then Von Frisch moved the dish to the east of the hive and waited for a marked bee to feed.
然后，馮·弗里施把碟子移到蜂箱的西邊，等待有標記的蜜蜂來吃。