Gallogen
[化]原, 鞣花酸
🗣️ 情景例句
My mother is terrific at any kind of sewing.
我母亲做任何针线活都棒极了。
Dad, do you mind if we use this room?
爸，我们可以使用这个房间吗？
decided to take some presents to a children's hospital.
盖茨决定送些礼物给儿童医院。