主力的英文：
main force
main strength of an army
參考例句：
The footBall team's elite
足球隊的主力Our mission is to harass the landing of the main Japanese expeditionary force
我們的任務是騷亂日本遠征軍主力的登陸。He's the kingpin of the whole team
他是全隊的主力On returning to their homeland, they became the main force to stimulate Chinese sculpture
後來都成了雕塑界創作的主力。The anchor man in a relay team runs last.
接力隊中的主力跑最後一棒。Our pickets were driven in as a prelude to the main enemy attack.
我們的前哨被迫撤回，預示着敵人主力的進攻即將開始。The injury to their key player can is a decisive factor in the game.
他們主力隊員受傷可能是這場比賽決定勝負的因素。First,drive in the outlying men and then attack the whole enemy force.
首先打退遠離主力的敵人，再向全部亂軍發起進攻。These formulae give us the stress and strain in a prismatic beam when it is subjected to pure bending
當棱柱形樑受純彎曲時，這些公式給出了它的主力和主變。The brunt of the Russian attack fell at first upon the frontier defenses of the Finns in the Karelian Isthmus
蘇聯進攻的主力，最先是集中在卡累利阿地峽芬蘭的邊境防禦工事。main是什麼意思：
adj. 主要的'；全力的，盡力的
n. 總管道，總線；幹線，電力網，電源；體力
by (main) force
用蠻力, 全靠氣力; 以最大的力氣 main gate lodge
大閘區；大閘門房；大閘傳達室 This is the main road into town.
這是進城的主要道路。force是什麼意思：
n. 軍隊，暴力
v. 強迫，用力推動
by (main) force
用蠻力, 全靠氣力; 以最大的力氣 The force is spectacular!
這個瀑布很壯觀！resultant force
合力 strength是什麼意思：
n. 力量；長處；勇氣；強度
Union is strength
團結就是力量Union is strength.
團結就是力量。Maximum crushing strength (=crushing strength at maximum load)
抗壓極限強度
