1. closure of port：closure head 外壳顶盖 | closure of port 封港 | closure (门
2. closing of port：closing of contact 触点闭合 | closing of port 封港 | closing piece 密闭板
3. 911查询·英语单词
3. embargo：封港 Embargo | 乘船 Embarkation | 人造灣 Embayment
4. 封港什么意思
4. locked harbour：locked harbor 受浅滩或暗礁包围的港 | locked harbour 封港 | locked scarf 锁紧嵌接