Ietf
[计] Internet工程任务组
🗣️ 情景例句
Mom,
妈，
This kind of article is often bought as a gift, so exquisite and tasteful design is of prime importance.
人们购买这种商品通常用来赠亲友，所以精美高雅的设计至关重要。
l am vacuuming the floor now and have several shirts to iron.
我正在用真空吸尘器清理地板，还有好几件衬衫要熨。