call-back回调; call a foul宣判犯规; call a halt停止; call a meeting召集一次会议; call a spade a spade直言不讳; call a strike发动罢工; call a...
theory n. 理论;原理;学说;推测 theory可数名词 例句 The theory remains untested. 该理论仍未经过验证。 The theory has now been disproved. 这一理...
水利万物而不争,
而万物莫能与之争。