At one's convenience
研究生 Graduate最方便地, 最合适地
🧩 词语组成解析
at
[æt]
prep. （表示位置）在;在（某时间或时刻）;以，达; 向，朝;
n. 阿特（老挝辅币单位，100 阿特 = 1 基普）;
a. 人们的；自己的
🗣️ 情景例句
Your health has really gone to pot.
你的健康真的很糟糕。
That's very nice of you. I guess I could use some help.
谢谢你的好意。我想我可能要一点帮助。
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！