Tightener sprocket
[化] 張緊鏈輪
?? 詞語組成解析
n. 緊帶輪\\n[化] 收緊器; 張緊裝置
n. 鏈輪齒\\n[機] 鏈輪
??? 情景例句
it's a good picture.
那是一張好照片。
Great men have great faults.
偉人也會鑄大錯。
'We mustn't buy things we don't need,' I remarked suddenly.
“我們不應該買我們不需要的東西，”我突然發表意見說，