Good. Do you have any back or knee problems?
好。你的背部和膝關節有什么毛病嗎
走遍美國
A Piece of Cake(沒問題) ACT II
?? 句中詞匯解析
從本句中提取的重要詞匯
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背書于;下賭注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
"Water allotments to farmers were cut back in the drought."
在干旱時期配給農民的水量減少。
近義：second, support, endorse, illustrate, document, backtrack
反義：impel, inch, save, loop, sheer, slew
n. 膝;膝蓋;
vt. 用膝蓋碰;
?? K伸腿狀,n兩條腿形成的形狀,ee 膝蓋狀 起跑時 膝蓋需要(need)靠(k)前
"He injured his knee playing hockey."
他打曲棍球時膝蓋受傷。
n. 問題；難題（problem的復數）
近義：intricacy, prickliness, situation, trouble
反義：repair, reparation, workaround, remedy, refitting, overhauling