Core fixing
[機] 砂心固定
?? 詞語組成解析
core
[k?:]
n. 中心，核心，精髓;果心，果核;[地質學]地核;[計] 磁心;
vt. 去（果）核，挖去…的果心;提取巖芯（樣品）;
fixing
['fiksi?]
n. 固定;穩固;設備;安裝;
v. 固定( fix的現在分詞 );準備;修理;使牢固;
??? 情景例句
You had better study hard.
你最好努力學習。
Marry in lent,and you'll live to repent.
借債結婚，一生悔恨。
Don't you think it necessary to have a close study of the contract to avoid anything missing?
你不覺得應該仔細檢查一下合同，以免遺漏什么嗎？