Heptad
n. 七個, 成七的一組, 七價原子\\n[化] 七價物; 七價的
??? 情景例句
and that you can take good care of an animal.
而且能夠好好照料動物。
Won''t you iron this shirt for me?
可以幫我燙這件襯衫嗎？
Don't give me your excuses.
別找借口。