大杼
参考答案:
大,长大。杼,织布之机杼,又水槽亦名杼。以穴在杼形肌肉之起端而言。脊旁肌肉长大,经气自此下行,具有机杼与水槽之状。
请若(x+y)(1-x-y)+6=0,则x+y的值是______
He made a mistake, but then he corrected the situation _ it got worse.
A.until
B.when
C.before
D.as