point的詞語(yǔ)用法是：n.(名詞)point用作名詞時(shí)的意思比較多,可作“要點(diǎn),論點(diǎn),觀點(diǎn),尖端,尖兒,點(diǎn); 小數(shù)點(diǎn),標(biāo)點(diǎn),(某一)時(shí)刻,(某一)地點(diǎn),分?jǐn)?shù),得分,條款,細(xì)目”“特點(diǎn),特征,長(zhǎng)處”等解,均用作可數(shù)名詞。作“目的,意圖”解時(shí),是不可數(shù)名詞,多與the 連用。point的意思是n.觀點(diǎn)；看法；要點(diǎn)；重點(diǎn)；特點(diǎn)；點(diǎn)；地點(diǎn)；小數(shù)點(diǎn)；尖端；岬角；海角；意義；目標(biāo)；分?jǐn)?shù)；(羅盤上的)方位點(diǎn)；(溫度的)點(diǎn)；插座；(字體)磅值；v.指；指向；朝向；瞄準(zhǔn)；灰泥或水泥勾（某物）的磚縫。point的讀音是英[p??nt]；美[p??nt]。

explain的常用短語(yǔ)是：用作動(dòng)詞(v.)explain away (v.+adv.)通過解釋消除… give a satisfactory reason for; get rid of by explanationexplain sth ⇔ awayI didn't believe her at first, but she managed to explain away my doubts.起初我不相信她,可是她的解釋消除了我的懷疑。She explained away the child's fears.她通過解釋消除了孩子的恐懼。He tried to explain away his lateness, but we didn't accept his excuse.他竭力為自己遲到辯解,但是,我們不相信他的托詞。You will find it difficult to explain away your use of such offensive language.你將會(huì)發(fā)現(xiàn)你很難為說(shuō)過這種無(wú)理的話辯解。He thought of a reason to explain away his failure.他想出一個(gè)理由為他的失敗辯解。John explained away his unfinished task by showing his boss a certificate for sick leave.約翰交給上司一個(gè)病假條,以此解釋他為什么沒完成任務(wù)。The criminal tried to explain away the false signature, but it was clear that he was guilty.罪犯試圖為偽造簽名一事開脫自己,但他顯然是有罪的。The murder suspect couldn't explain away his fingerprints at the scene.這個(gè)殺人嫌疑犯解釋不清為什么在殺人現(xiàn)場(chǎng)會(huì)留有他的指紋。Such a conclusive evidence is hard to be explained away.如此確鑿的證據(jù)是很難巧辯的。explain的意思是v.說(shuō)明；解釋。explain【近義詞】define。

explain的例句是：用作動(dòng)詞(v.)She explained her conduct to her boss.她向老板說(shuō)明了自己那種表現(xiàn)的原因。explain的詞語(yǔ)用法是v.(動(dòng)詞)explain的基本意思是“解釋,說(shuō)明”,指把對(duì)方不知道、不理解的事以易懂的方式加以說(shuō)明,使其清楚、明白。explain形容詞:explainable；過去式:explained；過去分詞:explained；現(xiàn)在分詞:explaining；第三人稱單數(shù):explains。

explain的過去式是：explained。explain的詳盡釋義是v.(動(dòng)詞)說(shuō)明，解釋，闡明說(shuō)明...的理由替...辯解吐露，講出，明說(shuō)揭開。explain【近義詞】define。

direct的常用短語(yǔ)是：用作動(dòng)詞(v.)direct against (v.+prep.)把…對(duì)準(zhǔn) make sth aim at sthdirect sth against sthThey directed all the guns against the fort.他們把所有的炮都對(duì)準(zhǔn)那個(gè)要塞。They directed the attacks against the enemy's seaports.他們攻擊的目標(biāo)是敵人的海港。direct的詳盡釋義是adj.(形容詞)直接的直系的，嫡系的筆直的，一直線的直截了當(dāng)?shù)那『玫?，正好的徑直的率直的，直率的，坦率的親自的，親身的正面的明白的正統(tǒng)的【語(yǔ)法】直接法的直射的最近的。direct【近義詞】advise。

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對(duì)jQuery.data().用法的介紹及實(shí)例講解:定義和用法data() 方法向被選元素附加數(shù)據(jù)，或者從被選元素獲取數(shù)據(jù)。注釋：這是底層級(jí)的方法；使用 .data() 更加方便。從元素返回?cái)?shù)據(jù)從被選元素中返回附加的數(shù)據(jù)。語(yǔ)法$(selector).data(name)參數(shù) 描述name 可選。規(guī)定要取回的數(shù)據(jù)的名稱。如果沒有規(guī)定名稱

將PPT與視頻合并需要點(diǎn)擊PPT上方菜單欄的文件選項(xiàng)，接著點(diǎn)擊PowerPoint 選項(xiàng)對(duì)話框中的自定義功能區(qū)選項(xiàng)，下拉菜單后選擇主選項(xiàng)卡再單擊開發(fā)工具中的其他控件并確認(rèn)，最后保存視頻即可。