They waited for low tide so that the sea level would drop about two meters and then sailed under the bridge.
「海面が2メートルほど下がる干潮時を狙って橋をくぐり抜けた」は、
They waited for low tide so that the sea level would drop about two meters and then sailed under the bridge.
※low tide 干潮
※so that ~ ~するために
※sea level 海面
※drop 下がる
They passed under the bridge during low tide, when the sea level dropped by about 2 meters.
「海面が2メートルほど下がる干潮時を狙って橋をくぐり抜けた」は、英語で "They passed under the bridge during low tide, when the sea level dropped by about 2 meters." と表現します。
関連する単語やフレーズ:
low tide:干潮
sea level:海面
dropped by:〜ほど下がる
pass under:下を通る