重點講解：
1. except for 除了；除…之外；唯有；
The night was very quiet except for the ticking of the clock.
夜很靜，只有鐘擺滴答滴答地響gjB-cmx@2)。
2. turn into (使)變成；(使)成為；
Step one will be trying to get those undifferentiated cells to turn into something like muscle cells.
第一步將是試圖讓那些未分化的細胞變成類似肌肉的細胞s*|jNy!IFjy。
3. cut off 切除；
Before proceeding any further, cut off a small bit of the meat and taste it.
在進行下一步之前，先切一小塊肉嘗嘗CWJq^-x^aQn6#JCMLsY。
4. as long as 只要；
He is up to the job without doubt as long as he would give his mind to it.
只要他專心，他一定能勝任這份工作fVc@0+qOdZEPC4|n,t00。