Spacer ring
[化] 定位環; 間隔環; 間隔圈
?? 詞語組成解析
n. 空格桿, 逆電流器, 定位格架\\n[化] 間隔區; 墊片; 定距片; 間距短管
ring
[ri?]
n. 戒指，指環;鈴聲，鐘聲;環形物;拳擊場;
vt. 形成環狀;環繞;使（例如鈴）響;打電話給;
vi. 按鈴，敲鐘;回響;成環形;
??? 情景例句
What time does he punch out?
他幾點打卡下班？
We cannot proceed any further without receiving your thoughts with respect to the manner of payment.
我們如果不了解你們對付款方式的意見，便不能進一步檢討。
to discover whether they are mentally ill more often than other people are.
看一看他們是否比其他人更易患精神病。