Knee-pad
n. 護膝
?? 詞語組成解析
knee
[ni]
n. 膝;膝蓋;
vt. 用膝蓋碰;
pad
[p?d]
vt. 給…裝襯墊， 加墊子;填塞;踏平;
vi. 步行，放輕腳步走;
n. 墊，襯墊;護具;便簽本;發射臺;
??? 情景例句
I have just begun to learn and my serve isn't very good.
我剛剛開始學習，發球不太好。
Men know where they were born, not where they shall die.
人能知其生于何地，不能知其死于何方。
In 1995, there was a very big race.
1995年舉行了一次盛大的比賽。