打開網址https://download.eclipse.org/technology/babel/update-site/選擇合適的語言包
比如:https://download.eclipse.org/technology/babel/update-site/R0.18.1/2019-12/
然后打開eclipse菜單欄help >> Install New Software >> Add >> 輸入Name與Locaton(也就是剛才的地址)
name:babel
Locaton:https://download.eclipse.org/technology/babel/update-site/R0.18.1/2019-12/