Poly ( L - lactide ) ( PLLA ) was synthesized by ring - opening polymerization of L - lactide using cyclic tin alkoxide compound as initiator.

was

v. 用來(lái)表示某人或某物即主語(yǔ)本身，用來(lái)表示某人或某物屬于某一群體或有某種性質(zhì)（ be的過(guò)去式），在，存在，不受干擾；

synthesized

by

prep. 在…旁邊，表示方式，由于，經(jīng)過(guò)；adv. 經(jīng)過(guò)，表示保留或保存時(shí)用，短暫拜訪；

ring

n. 戒指，指環(huán)，鈴聲，鐘聲，環(huán)形物，拳擊場(chǎng)；vt. 形成環(huán)狀，環(huán)繞，使（例如鈴）響，打電話給；vi. 按鈴，敲鐘，回響，成環(huán)形；

opening

n. 開(kāi)幕，開(kāi)始，空缺的職位，[商]開(kāi)盤(pán)，交易開(kāi)始時(shí)間，（職位的）空缺；adj. 首次的，開(kāi)始的；v. （打）開(kāi)( open的現(xiàn)在分詞)，開(kāi)始，睜開(kāi)，啟動(dòng)；

polymerization

of

prep. 關(guān)于，屬于…的，由…制成；aux. 助動(dòng)詞 [非標(biāo)準(zhǔn)用語(yǔ)、方言] =have [主用于虛擬語(yǔ)氣]；

using

v. 使用（ use的現(xiàn)在分詞），利用，耗費(fèi)，吸（毒）；n. 使用，利用，用途，使用權(quán)；

cyclic

adj. 周期的，循環(huán)的，輪轉(zhuǎn)的；

tin

n. 錫，罐頭盒，馬口鐵，鍍錫薄鋼板；adj. 錫制的，假冒的，無(wú)價(jià)值的，蹩腳的；vt. 鍍錫，包錫，給…包馬口鐵，包白鐵；

alkoxide

n. 醇鹽；

compound

n. 場(chǎng)地，復(fù)合物，（筑有圍墻的）院子，復(fù)合詞；

as

adv. 同樣地，一樣地，例如；prep. 作為，以…的身份，如

initiator

n. 創(chuàng)始人，發(fā)起人，傳授者，教導(dǎo)者；

...the spiralling vortex airflow that slows the plane.
使飛機(jī)減速的螺旋形氣流渦旋

You just go on ahead. I'll come by later...
你只管先往前走。我隨后就來(lái)。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打兒子的,是恨惡他;疼愛(ài)兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請(qǐng)致電414 3925,轉(zhuǎn)分機(jī)2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽(tīng)我陳述解雇他的理由。

Baroness Thatcher's claims seem credible to many.
撒切爾女男爵的主張?jiān)诤芏嗳丝磥?lái)是可信的。

Nothing to be got without pains but poverty.
一份耕耘，一份收獲。

This decree obliges unions to delay strikes.
該法令迫使工會(huì)推遲罷工。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索權(quán)當(dāng)有支付義務(wù)的第一方不能支付時(shí)，可以向商業(yè)票據(jù)的背書(shū)人要求支付的權(quán)力。

Howeer, those who also take Lipitor , Celebrex and Alee face an increased risk of lier damage.
但當(dāng)人們同時(shí)服用立普妥、西樂(lè)葆萘普生鈉時(shí)肝損傷幾率增加.

The present invention features the application of algin oligosaccharide in medicine for treating anti - senility and anti - dementia.
一種褐藻膠寡糖,其特征是把它用作抗衰老和抗癡呆的藥物.

The betaine will collapse to the alkene only when these two functions are eclipsed.
只有當(dāng)這兩個(gè)基團(tuán)移至重迭位置時(shí)碘鹽才能裂解為烯烴.

His ex - wife has upped the ante in her alimony suit against him.
他的前妻在訴訟中要求提高贍養(yǎng)費(fèi).

Such detergents do not yellow the wool as alkali tends to do.
這種洗滌劑不會(huì)象堿那樣使羊毛發(fā)黃.

ConclusionBlend microspheres with good performance were prepared with alginate and starch.
結(jié)論以海藻酸鈉和淀粉為原料制備了性能良好的復(fù)合微球.

Caught a cold algid and calorific what drug should take?
感冒了發(fā)冷發(fā)熱該吃什么藥啊 ?

Most were wary and many apprehensive as to how the Algerian business would turn out.
至于阿爾及利亞的事態(tài)結(jié)果將會(huì)如何,大部分人持謹(jǐn)慎態(tài)度,許多人則感到擔(dān)憂.

Have allergy history cannot vaccinal, allergy history includes medicaments and alimental allergy.
5.有過(guò)敏史的不能接種, 過(guò)敏史包括藥物和食物的過(guò)敏.

Make sure the shelf is aligned with the top of the cupboard.
務(wù)必使擱架與櫥柜頂端對(duì)齊。

He felt alienated from his peers.
他感覺(jué)和同僚疏遠(yuǎn)了。

In this enlargement, barley, alfalfa, and sugar beets can be differentiated.
在這張放大的照片上, 大麥, 苜蓿和甜菜都能被區(qū)分開(kāi).

The straight - chain alkanes exacerbate the problem of engine " knock ".
直鏈烷烴使機(jī)器的 “ 爆震 ” 問(wèn)題更加嚴(yán)重.

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以環(huán)烷氧錫化合物引發(fā)L-丙交酯開(kāi)環(huán)聚合制備高分子量聚L - 乳酸.用英語(yǔ)怎么說(shuō)？

以環(huán)烷氧錫化合物引發(fā)L-丙交酯開(kāi)環(huán)聚合制備高分子量聚L - 乳酸.