Usta
abbr. 美国网球协会（United States Trademark Association）
🗣️ 情景例句
You can put it that way.
你可以那样说。
Be my guest.
别客气。
You see, I put some soil in the box, sow the seed carefully like this, and then cover it with more soil.
你瞧，我在盒子里放些泥土，像这样小心地把种子播下，然后再用多一点儿的土盖住种子。