Black flux
[化] 粗碳酸鉀\\n[醫] 黑焊媒(碳酸鉀、木碳粉混合劑)
?? 詞語組成解析
black
[bl?k]
adj. 黑（色）的;黑色人種的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑顏料;黑暗;
v. 使變黑;抵制;拒絕;使變黑暗;
??? 情景例句
Excuse me, but may I ask how old you are?
對不起， 我能問一下你多大了嗎？
When love puts in, friendship is gone.
愛情入，友誼出。
The children were running to move the bag of rice when they heard the sound of a motorbike.
孩子們跑去搬那包大米，這時他們聽到摩托車的聲音。