试题题干
expand的意思是（ ）
参考答案
正确答案：
试题解析
expand v.扩大，扩充，扩张；膨胀
例句：Engineers noticed that the pipes were not expanding as expected.
句意：工程师们注意到管子并未像预期的那样膨胀。
expand的意思是（ ）
expand v.扩大，扩充，扩张；膨胀
例句：Engineers noticed that the pipes were not expanding as expected.
句意：工程师们注意到管子并未像预期的那样膨胀。