Zero-gravity
[醫(yī)] 失重[狀態(tài)]
?? 詞語組成解析
zero
['z?ro]
n. （數(shù)字）0;零度;
adj. 全無的，沒有的;
v. . 聚焦，集中;
??? 情景例句
Sam, this is Susan. Sam
我是Susan。
He has been to America.
他曾去過美國。[表示曾經(jīng)有過的經(jīng)驗(yàn)]
'You needn't be so rude about it,' my wife answered as she looked at herself in the mirror.
“你說話沒必要這樣不客氣，”我的妻子邊回答邊照著鏡子。