Symmetric(al) position
[化] 對稱位
?? 詞語組成解析
position
[p?'zi??n]
n. 位置，方位;地位，職位;態度;狀態;
vt. 安置;把…放在適當位置;給…定位;駐扎軍隊;
??? 情景例句
I would like to buy some stamps, please.
我想買些郵票。
This week he took his first vacation from work in five years.
五年來，他本周破例第一次休假。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火災時常由破碎的玻璃或人們隨手扔掉的香煙頭引起。