Single-step
單級的; 一步
?? 詞語組成解析
single
['s??ɡl]
adj. 單一的;（打斗、比賽等）一對一的;惟一的;適于一人的;
n. 單程票;（旅館等的）單人房間;[復數]（高爾夫球一對一的）二人對抗賽;[常用復數][美國、加拿大英語]未婚（或單身）男子（或女子）;
vt. 挑選;
vi. 作一壘手;
step
[st?p]
n. 步，腳步;步驟，手段;步調;級別;
vt.& vi. 舉步，行走;踩，踏上;跨入;輕快地走;
vi. 踏，踩;走;
vt. 跳舞;邁步;使成階梯狀;
??? 情景例句
I was a member of the debate team.
我是辯論隊的成員。
I'm a graduate of Yale University., I have a Bachelor of Arts degree.
我是耶魯大學的畢業生，我有文學學士學位。
There are even stories of half-trained elephant calves who have refused to feed and pined to death when by some unavoidable circumstance they have been deprived of their own trainer.
訓練了一半的小象，由于不可避免的情況與他們的主人分離后，竟拒絕吃食，消瘦至死。