例句與造句

1. If it is difficult to state definitely one or several ports, optional ports can be adopted .
   假如難以明確寫出一個(gè)或幾個(gè)港口，就可以采用選擇港這個(gè)辦法。
2. Should process . a uri prefix string is composed of a scheme http or https , a host , an optional port , and an optional path
   Uri前綴字符串由方案（ http或https ） 、主機(jī)、可選端口和可選路徑組成。
3. It's difficult to find optional ports in a sentence. 用optional ports造句挺難的