名詞 earthing:

1. fastening electrical equipment to earth
   同義詞：grounding

動詞 earth:

1. hide in the earth like a hunted animal
   同義詞：earth
2. connect to the earth
   同義詞：earth

1. It has a span of4260 feet. The bridge is so long that the shape of the earth had to be taken into account by its designer.
   橋的跨度有4,260英尺。橋梁很長，所以它的設(shè)計師不得不考慮地球的形狀。
2. China succeeded in launching its first man-made earth satellite in1970.
   1970年中國成功地發(fā)射了第一顆人造地球衛(wèi)星。
3. A point considered to be at nominal zero potential and to which all other potentials in the circuit are referred, often, but not always, connected to the actual surface of the earth; as a verb to connect to a ground. Also called earth.
   電路中的一個參考點，該點電位作為標稱的零電位，其它所有電位均相對于該點而定。經(jīng)常，但并非總是，將該點直接連接到地。作為動詞，指連接到地線上的過程，也稱作接地。
4. "I believe you're the salt of the earth, " the mayor told200 very middle-class-and very pro-Koch-people at the Manhattan Beach Community Group's annual meeting.
   在曼哈頓海灘社區(qū)團體年會中，市長告訴200位十分地道的中產(chǎn)階級，和十分擁護葛市長的人說："我相信各位是最優(yōu)秀、最高尚的人。"