To mast a lauguage is not an easy an thing.这句话对吗?to mast是掌握的意思吗,为什么查不到?

To mast a lauguage is not an easy an thing.这句话对吗?to mast是掌握的意思吗,为什么查不到? I find it i() to learn a foreign lauguage in such a short time To learn a foreign lauguage is necessary.同义句 ____ ____ ____ to learn a foreign lauguage. To mast a language is not an easy thing.请问：其中掌握用to mast还是用to master,或是别的词? who wants to learning chinesei am a 38years chinese female, i graduated from college in china and studied English in UK, now i live in Shanghai and have some free time to be managed,so i want to sharing the lauguage that i know, if you want to learni Will you see _______(tomorrow)ball game on TV?It mast be very exciting.Tom ______ the backpack last week.He ______ it for a week (buy)Tell me about ________(you)and I want to know more about you in order to make it clear,i mast go up to___second floor and ask him ___second time. 1.No matter how hard the problem may be ,I will try my best to _______ itA.work B.do with C.deal with D.think about2.Does John kown any other foreign lauguage _______French?A.except B.but C.besides D.beside3-Whose advice do you think I should take?-_ I have written three e-mails in English today.OuI have written three e-mails in English today.Our English teacher told us to use English every day.It is the best way to learn the lauguage.You have helped me a lot. 翻译——I having a mast!我有一个旗杆 这个我也知道，不过这样翻译很平庸 用VHDL或Verilog语言编以下程序：1.Construct a systematic (7,3) linear block code.You can use c lauguage or HDL (VHDL or Verilog-HDL) to describe it.Please write the detail of how to realize it in computer lauguage.And list the program lines. IgE is bound to mast cells. 谁能帮我翻译下!?. big piece of cloth on the mast of a boat to catch the wind and move the boat forward什么意思? you mast select a profile before you can continue when the human lauguage to expresscertain emotions is heavily armad play. 英语翻译很简单的短文..可惜我不会翻译..Too many people want others to be their friends,but they do not give friendship back.That is why some friendships do not last long.To have a friend,you mast to be learn one.You mast learn to trea mast eject MAST是什么意思?