1) He has need to exercise daily.
他必须每天锻炼。
2) He needs to exercise daily.
他必须每天運動。
3) I have to build up my body.
我必须锻炼身体。
4) Fine gold must be purified in the flaming fire.
真金必须火炼。
5) He concentrates his attention on his training.
他专心锻炼。
6) He would act at once.
他必须立即行动。
补充资料：真金
1.纯金;真正的金子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条