This is to certify that...
兹证明...
🧩 词语组成解析
this
[ðɪs]
pron. 这，这个;这事，这人;这时;下面所说的事;
adj. 这，这个;刚过去的，即将到来的;今…，本…;
adv. 这样地;就是这样;这么地;
is
[ɪz]
vt.& vi. 是（be的三单形式;
n. 存在;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是无论怎样都确有其价值。
Make haste slowly.
从容赶急。
In his mouth were the remains of fir trees -- the last meal that he had before he fell into the crevasse and broke his back.
它嘴里还留着冷杉 -- 它掉进冰河裂隙折断脊椎柱之前的最后一顿饭。