为社么180-foot-high learning tower要加"-"但是It is about twelve metres high 不加"-"社么情况下才加"-"

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 10:14:27
为社么180-foot-highlearningtower要加"-"但是Itisabouttwelvemetreshigh不加"-"社么情况下才加"-"为社么180-foot-highlearning

为社么180-foot-high learning tower要加"-"但是It is about twelve metres high 不加"-"社么情况下才加"-"
为社么180-foot-high learning tower要加"-"
但是It is about twelve metres high 不加"-"社么情况下才加"-"

为社么180-foot-high learning tower要加"-"但是It is about twelve metres high 不加"-"社么情况下才加"-"
加上 -表示把它作为一个形容词.所有的复数都要变成单数.下一句中不需要做形容词因此就不加“-”了.如果要加-,就变成了It is a 12-metre-high ...