Kalia
氧化鉀
??? 情景例句
I'm meeting my girlfriend at 6:00.
我約好六點跟我女朋友見面。
Peace with sword in hand, 'tis safest making.
居安思危，此乃萬全之策。
Von Frisch watched the wagging dance very carefully.
馮·弗里施非常仔細地觀察蜜蜂跳的搖擺舞。