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直ちに, ただちに
1. at once, immediately, right away, without delay
2. directly (face, lead to, etc.), automatically (mean, result in, etc.)
立刻,马上,即刻,毫不拖延;直接地(面对、导致等),自动地(意味着、导致等)
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd