质子的质量几乎是电子的2,000倍。Protons are nearly 2000 times as heavy as electrons.质子是物质的基本粒子。A proton is an elementary particle of matter.中子和质子构成了原子核.The neutrons and protons form the core of the atom....
for的近义词/同义词有：for, in, exchange, replacement, return, instead, of, place, a, as, as, with, of, in, to, become, the, looking, order, a, destination, destined, towards, for, goal, quest, so, seeking, purpose, view, with, to...
Butter, margarine, and oily fish are all good sources of vitamin D.黄油、人造黄油和多脂鱼都含有丰富的维生素D。A pall of oily black smoke drifted over the cliff-top.一团油腻的黑色烟雾飘到悬崖顶上。He was wiping his hands on an oily rag.他正在用一块满是油污的破布擦手。...
I was pitched into the water and swam ashore.我被甩到水里后向岸边游去。He rowed her ashore and then continued trolling around the lake.他拢岸让她下船，然后继续悠闲地在湖上划着。He went ashore leaving me to start repairing the torn sail.他上岸去了，留下我修理被撕破的船帆。...