Eutherian
a. & n.[动]真哺乳亚纲的(动物)
🗣️ 情景例句
It's on the house.
这是免费的。
Bad influence.
教坏小孩。
From one's own front door to home or foreign hills or sands and back again, everything is to hand.
从自己的家门出发到国内国外的山区或沙滩上露营然后返回，一切都很便利。