at ones service 随时提供服务 ; 随时帮助某人
at ones wits end 不知所措 ; 智穷 ; 智穷计尽
at ones own risk 自行负责
at ones witsend 不知所措
be at oneS witsend 不知如何是好
at ones best 处在最好状态 ; 处在最佳状态
at ones fingertips 了如指掌
be at ones books 用功学习
They looked at ones from Asia.
VOA: special.2009.01.20
But what you should be able to do is take a look at a list of answers for what we're saying z effective might be, and determining which ones are possible versus which ones are not possible.
但是你们应该能够做到的,是看一下这个可能的,有效电荷量的答案列表,并且确定哪些是可能的,哪些是不可能的。
So the top ones at the moment, you've got "Billy Eliot", "The Lion King",
而且,现在最热门的几部有《比利•艾略特》、《狮子王》、
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