- 重点词汇
- 文件
document; file; note; paper; papers; documentation; typescript; documentary
- 怎么
how; why; what; what about; how about
- 打开
open; turn on; spread; snap; unfold; unlock; release; crack; put on; switch on; open up; undo; unwrap; unwind; untie; unfurl; unfasten; unpack; uncoil; violate; go into; spread out; access; load; cut in; opening