立彬の日本語
警備員たちは１時間ごとに輪番で見回った。
tbd
The guards rotated in making their rounds every hour.
297
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警備員， けいびいん
1. guard, security guard, security officer
tbd
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一時間， １時間， いちじかん
1. one hour
tbd
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ごとに， 毎に
1. one by one, each, every, at intervals of
一一、每一、每隔
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輪番， りんばん
1. rotation (e.g. of a duty), taking turns
tbd
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見回る， 見廻る， みまわる
1. to make one's rounds, to patrol
tbd
たち， 達
1. pluralizing suffix (esp. for people and animals; formerly honorific)
复数后缀
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
で
1. at, in
2. at, when
3. by, with
4. within, in
5. and then, so
6. and, then
7. let me tell you, don't you know
表示范围