Arcus dentalis
[医] 牙弓, 齿弓
🧩 词语组成解析
[医] 弓
🗣️ 情景例句
His wife has himi under her thumb.
他完全受他妻子控制。
A pound of care will not pay an ounce of debt.
深忧偿不了小债。
In fact, it would be an assistance to all carnivores though it would be a two-edged weapon when they fought each other.
因此，任何食肉动物有了毒液，都能从中获益。