navigation opening的用法和樣例：
例句
- It swept in from the opening of the harbour in sheets and the opposite shore was all blurred.
連片的大雨從港口刮進來，連對岸都看不清楚。 - If Eisenhower stopped both Patton and Montgmery and put the major effort into opening Antwerp, he would have a stable supply situation for a winter campaign.
如果艾森豪威爾叫停巴頓和蒙哥馬利，以主要力量打開安特衛普港口，就能為冬季戰役提供持續補給。
